eChapters

Key Points

• In dairy cows, anestrus is a prevalent reproductive condition.

• In dairy farm animals, infertility, pyometra, and repeat breeder cows are the main reproductive syndromes.

Introduction

Farm animals have been raised and chosen specifically for the production of meat and dairy over the years. The livestock business suffers significant f inancial losses as a result of farm animal infertility. If the open span is extended by one estrous cycle as a result of infertility, this explains the 20–25 day loss of output in addition to the expense of treatment, missed work, etc. Farm animals can become infertile for a variety of reasons, including nutritional deficiencies, physiological disorders, and viral infections. These factors can act alone or in concert.

Key Points

• The main objective of managing open fractures is to neutralize further damage to the surrounding tissue while executing prompt, stable osteosynthesis and immobilization.

• Discomfort management should be considered because musculoskeletal diseases can cause severe discomfort.

Degenerative Myopathies

It is a degenerative disease of the musculature. Endocrine imbalances (hyperadrenocorticism, hypothyroidism, and hyperthyroidism), hypokalemia in cats, ischemic myonecrosis in recumbent cattle, post-exercise rhabdomyolysis, chemical agents, poisonous plants, and drug-induced degenerative conditions are some of the possible associations with it.

Key Points

• The most commonly cystitis and pyelonephritis occurs in farm and companion animals after parturition.

• Hematuria, pyuria, and stranguria are common presenting clinical symptoms;

• In acute situations, a prolonged course of treatment (two to four weeks) with the administration of the proper antimicrobials is usually successful.

Introduction

Both farm animals and companion animals frequently suffer from urinary infections, which are difficult to diagnose. In cows, urine testing is more helpful in excluding the illness if it shows any pus or germs (in females), and f inding the urethral calculus that is causing the urinary obstruction can be done by palpating the bladder using a rectum examination and palpating the urethral tube (in males). Because of the shorter urethra in females and the associated uterine infection that occurs during or after parturition, females are more likely to get urinary tract infections.

Key Points

• Animal euthanasia is the act of humanely killing animals, most commonly with injectable drugs.

• Euthanasia techniques vary by species, age, and the health status of the individual animal.

• Death must be confirmed before disposal of any animal remains.

• Animal remains must be disposed of in a legal manner that does not contaminate food sources or the environment.

Introduction

Euthanasia is the act of inducing humane death in an animal by a method that induces rapid loss of consciousness and death with a minimum of pain, discomfort, or distress. Euthanizing agents cause death by three basic mechanisms: (1) direct depression of neurons necessary for life function, (2) hypoxia, and (3) physical disruption of brain activity. Because loss of consciousness resulting from these mechanisms can occur at different rates, the suitability of a particular agent or method will depend on whether an animal experiences distress before loss of consciousness. Unconsciousness, defined as a loss of individual awareness, occurs when the brain’s ability to integrate information is blocked or disrupted. Ideally, euthanasia techniques cause rapid loss of consciousness, followed by cardiac or respiratory arrest and death.

Health benefits of fish consumption

Fisheries and aquaculture play an important role in providing food and nutritional security. Fish is a rich source of quality animal proteins, omega- 3: poly-unsaturated fatty acids (PUFAs), minerals, and vitamins. Fish is a superfood that is rich in all nutrients except carbohydrates, and its combination with rice or wheat makes it a complete food, forming a balanced diet with the right combination of macronutrients (quality proteins, fats, and carbohydrates) and micronutrients (minerals and vitamins), which are essential for good health.

Aquaculture is one of the fastest-growing food production sectors. India is bestowed with all types of aquatic habitats; freshwater, including the cold waters in the highlands, brackish waters, and the marine system. Being a tropical country, India is a biodiversity hotspot. It is rich in a wide variety of fish fauna, and wherever there is water, there are fish. Thus, fish is widely available in India, Thus, India is the third largest fish producing country and ranks second in aquaculture production. In comparison to other sources of animal proteins, fish is more chicken, mutton, beef, pork, etc., as affordable is available in wide varieties in the markets. Therefore, the common man can afford to consume fish regularly and provide his family with a balanced and healthy diet.

As a diet, fish is important for all age groups of humans. Fish oil, especially the omega-3 PUFAs, EPA, and DHA, keeps away several preventable human ailments (Table 1).

Canals and waterways are the most important source for irrigation and have been identified as one of the most important aquatic resources for fish culture. The natural canal systems in the Sundarbans cover an area of 907.33 ha. Fisheries activities were planned in order to provide a source of livelihood to the underprivileged people of the cyclone-prone area of the Sundarbans.

Challenges and opportunities

Fisheries in the Sundarbans are poorly documented and less attention is given to producing fish from canals. Information on the trophic status of the canal habitat, biotic community structure, and hydrological parameters is also lacking. However, the villagers reported that the fish enter these canals from the source waters naturally, and form natural populations. The villagers residing beside the canal catch fish, especially during monsoon, and the women of the adjoining households often collect small indigenous fish (SIFs) or prawns through small dragnets or scoop nets for household consumption. The shared information of the villagers was utilised to sensitise them and convince them to initiate fish culture in these canals.

Village Madangunj is situated on the bank of the Hatania Duaniya, a branch of the Hoogly River in Namkhana. The cyclone Aila unleashed its fury on the people residing on the islands in the Sundarbans and changed their lives forever. The Sundarban is the world’s largest mangrove forest and home to the Royal Bengal Tiger. The cyclone also affected the fish resources and livelihood of the villagers. Efforts were made to provide alternative sources of livelihood to the poor people of these villages.

Challenges and opportunities

We conducted field surveys to understand the status of small indigenous fish after cyclone Aila in the Sunderban region, particularly in Namkhana block, which was badly affected by the cyclone. Hundreds of people under various age groups ranging from 27 to 65 years old and involved in various occupations were interviewed personally to know about the present status of small indigenous fish after Aila. It was reported by 60% of the respondents that there is a significant reduction in the availability of small indigenous fish (SIF). To rejuvenate their stocks, it was decided to develop a conservation site, as a common seed bank for SIF. The SIF are self-recruiting species and can be cultured in various cultural systems like ponds, canals, wetlands, cages, etc. They can tolerate the adverse water quality cond

Fresh fish serves as a protein-rich food for people of all income groups. Dry fish is in greater demand when the availability of fresh fish in the market is low. Dry fish have a higher concentration of protein (in terms of weight) as compared to wet fish and are an inexpensive source of animal protein. Moreover, dry fish production provides employment opportunities to fishermen, fish farmers, rural youth, and women and also helps them to generate extra income. In addition, it also provides food and nutritional security to the rural, underprivileged population. Though dry fish enterprises have a significant role in improving the livelihood as well as the nutritional security of society, not much attention has been paid to the production and marketing of dry fish products.

The one-day SCSP-training program on “Opportunities for fish farmer producer companies and government schemes for fisheries stockholders” was organised by Shashwat Sheti Vikas Pratishthan, Shivajinagar, Pune, Maharastra, on 4 January 2022. The training programme was sponsored by MANAGE, Hyderabad. 50 people participated in the training program, consisting of agrifarmers, fishermen and unemployed youths. Out of the 50 participants, 19 were women and 31 were men.

The session is all about FPO formation MANAGE organised a training programme to sensitise farmers about Farmer Producer Organizations (FPOs) and various schemes under PMMSY. FPOs can help farmers take advantage of economies of scale in production and marketing, and the government’s plan to establish 10,000 new FPOs by 2024 is a step in the right direction. It is while social media is a powerful tool for spreading information quickly, not everyone has access to it, especially in rural areas. So, training programmes like this can be very effective in reaching out to farmers and providing them with the information they need to make informed decisions about their farming practices.

KVK Ramkrishna Ashram in Kolkata undertook a 5-day SCSP (Schedule Class Sub-Plan) training programme from MANAGE, Hyderabad, to develop integrated farming practices and encourage young people to choose farming as a career. West Bengal’s status as the highest fish producing state in India and its leadership in fish seed production present a significant opportunity for farmers and entrepreneurs in the fishery sector. Fish is widely consumed throughout the nation, especially in West Bengal, where it is estimated that each person consumes 15.6 kg of fish per year, compared to India’s average of 9.0 kg. It is regarded as a major source of essential micronutrients and the primary source of animal protein. By leveraging smart farming solutions enabled by technology, farmers can increase their productivity and income, while also meeting the demand for fish and essential micronutrients in the region. The training programme could play a vital role in empowering farmers and entrepreneurs in the state to adopt innovative and sustainable farming practices and make the most of these opportunities.

The aim of this training programme was to empower women from the Scheduled Caste community by providing them with skills to create handmade seashell jewellery and other handicraft products, which they could then sell to supplement their income. The training was conducted in a modular format, which included soft skill development, theoretical sessions, practical sessions, and field visits. The training programme was conducted in Keelathilayenthal Village in Ramanathapuram District, which is known for its rich marine life and abundance of seashells.

About the seashell-making-entrepreneurship model

The training programme was funded by MANAGE, Hyderabad, and was overseen by Dr. Shahaji Phand, Programme Director, and Dr. Sushrirekha Das, Coordinator. All 30 participants were women from the fishing community who were interested in learning seashell ornament- making skills. 

A one -day SCSP training program was organised by Mitraniketan Krishi Vigyan Kendra (ICAR), Kerala on 17 December 2021. The training theme was “Market opportunities for value-added Fish Products.” 4 male and 46 female participants participated in the training program. The training was taken at KVK, Mitaraniketan, Kerala.

The sessions were oriented towards theory and practice. The training modules and session topics delivered on various value-added fishery products were arranged for the beneficiaries to transfer their expertise in fishery products and equip them to establish entrepreneurship in fish and fishery products and market the fishery products. In addition to providing financial support for women, the programme would also help pregnant women and adolescent girls with their nutritional needs

There are various training programmes being conducted in Tamil Nadu to promote seaweed cultivation and its various applications. The one-day SCSP training programme organised by ICAR-RVS KVK, Tiruneveli, Tamil Nadu, and the three-day SCSP training programme on seaweed for food and industrial application by Jehovah Shamma Aqua One Centre, both sponsored by MANAGE, Hyderabad, seem to have been well received by the coastal population of Tamil Nadu. The training programmes covered topics such as the status and distribution of seaweeds on the Indian coast, by-products from marine seaweeds, and nutraceutical products from marine seaweeds. These are important areas of knowledge that can help the coastal population explore the various opportunities available in seaweed cultivation and to utilise the seaweed species to their full potential.

The SCSP training programme on biofloc-based fish farming in Manipur aimed to promote entrepreneurship in fish farming by providing training on modern and innovative techniques. The training programme was sponsored by MANAGE, Hyderabad, and was conducted by two organisations in Manipur: AOC Manipur and Green Biotech Ecosolutions Pvt. Ltd. The programme was held over a period of three days at Khurkhul Village, Imphal West, Manipur. The programme focused on biofloc-based fish farming, which is an innovative and sustainable method of fish farming that uses microbial flocs as a source of nutrition for fish.

Ornamental fish breeding and culture: an innovative scheme for the development of rural women.” Funded by the Department of Biotechnology, Ministry of Science & Technology Govt. of India, New Delhi.

Selection of members and group formation

The location was selected to impart the training on ornamental fish culture, based on the PRA, group discussions, and meetings with NGOs, village panchayat authorities, and members of the area. Raichak, Kamar Pool, and Diamond Harbour Road were the working locations. Groups formed by identifying the interested women from the selected location. In each group, there are 25 women registered for the training. The selected members were introduced to the ornamental fish farms located at Amtala to appraise the working possibilities and viability of the activities.

Moments

In statistics, moments are measures of the shape and variability of a data set. They are used to describe the location and dispersion of the data. There are several types of moments that can be calculated, each providing different information about the data set.

Moments is a term which refers to a measure of force with respect to its tendency which provides rotation. The strength of the tendency depends upon the amount of force and distance from the point of origin where force is exerted.

So total moments of all the forces about origin, if total moment is divided by the total force, which is called moment actually arithmetic mean for frequency distribution.

Hence, arithmetic mean is called first moment about the origin

• Arithmetic mean of various powers expressed as deviation from mean in any distribution is called the moment of the distribution.

A. Definitions of probability

1. A probability relies on having an understanding of the theoretical model defining the set of all possible outcomes of a trial; we evaluate the probability solely on the basis of this model, without recourse to performing the experiment at all. It is often called an a priori probability. So, for example, we know that there are two equally likely outcomes when an unbiased coin is tossed: either a head or a tail. This is the model from which we can deduce that the probability of a defined event, obtaining a head, say, is 1/2 = 0.5.

2. The next approach to defining a probability, and the one commonly used in statistical inference, is to regard a probability as the proportion of times a particular outcome (the event) will occur in a very large number of ‘trials’ or ‘experiments’ performed under similar conditions.

The result of any one trial should be independent of the result of any other trial, so whether or not the event occurs in any one trial should not affect whether or not the event occurs in any other trial.

Biological assay or bioassay

• A bioassay is an analytical method to determine the concentration or potency of a substance by its effect on living animals or plants (in vivo), or on living cells or tissues (in vitro).

• Bio-assays are thus a type of experiments with the object of comparing the efficacy of two or more substances, or preparations, like drugs, by using responses produced by them on suitable living organisms.

• The bio assay involves a stimulus applied to a subject and the response of the subject to the stimulus.

• When a stimulus is applied to a subject there may be a change in some characteristics of the subject. Such changes in the subject are known as responses.

• The response may be quantitative as in the case of weight or qualitative as in the case of mortality. The magnitude of response depends upon the dose.

• Normally, two preparations having a common effect are taken for assaying. One of the preparations is of known strength and is called the standard preparation and the other is of unknown strength and is called test preparation.

1. Introduction

Human activities significantly lead to deterioration of ecological systems, affect individual organisms, and disrupt natural ecosystems. The rise in foreign compounds, such as heavy metals and pesticides, in aquatic ecosystems due to human activities has spurred extensive global research efforts (Wester et al., 2002). The Union’s Water Framework Directive (WFD) mandates monitoring programs to assess water body health. In environmental studies, understanding the impact of contaminants on aquatic life requires a multifaceted approach (Ullah and Zorriehzahra, 2015). Biomarkers that observe biological responses at various levels offer crucial insights into the presence and bioavailability of toxicants, complementing traditional methods (Yancheva et al., 2016). These indicators, termed early warning signals, are vital for evaluating exposure, effect mechanisms, susceptibility to contaminants, and enhancing predictive models (Yancheva et al., 2016). Integrating biomarkers into ecological studies provides a holistic understanding of environmental stressors and their implications in aquatic organisms.

2. Why is fish used as a model organism in ecotoxicological studies?

According to the Water Framework Directive (WFD), fish serves as a crucial indicator of river ecological status (Ullah and Zorriehzahra 2015). Their diverse sizes, ages, trophic levels, and sensitivity to various toxicants make them excellent indicators of water contamination (Wester et al., 2002). Fish adapt their metabolic functions in response to environmental changes, which makes them valuable in toxicological research. Monitoring sentinel fish species is a widely accepted method for assessing toxicant accumulation and its impact on human health (Wester et al., 2002). Fish, with their developed osmoregulatory, endocrine, nervous, and immune systems, are preferred to invertebrates in toxicological studies. Fish can absorb toxicants through both waterborne and dietary exposure, allowing the evaluation of contaminant transfer through the food chain. Key tissues for ecological, toxicological, and pathological studies in teleost fish include the gills, liver, and kidney because of their high metabolic activity and tendency to accumulate toxicants (Wester et al., 2002).

Principle of ICP Optical Emission Spectrometry

The ICP is a partially ionized gas (mostly Ar) plasma produced in a quartz torch using a 1–2.5 kW radio frequency power supply. Samples are typically introduced into the center of the plasma as aerosols. Compared to the atomic absorption spectrophotometers, in which the excitation temperature of the air acetylene flame measures 2000–3000 “K, the excitation temperature of the argon ICP is 7000–10,000 K, which efficiently excites many elements. The solution for analysis is carried by a peristaltic pump through a nebulizer into a spray chamber, where aerosol is produced by the argon gas. The aerosol thus generated is directed into the central channel of the plasma. The plasma in ICP is generated at the end of a quartz torch by a water-cooled induction coil through which a high-frequency alternate current flows. Consequently, an alternate magnetic field is induced, which accelerates electrons into a circular trajectory. Due to the collision between the argon atoms and the electrons, ionization occurs, giving rise to stable plasma. At the core of argon plasma, the temperature is sustained at approximately 10,000 K, where aerosols are quickly vaporized. Subsequently, atomization and ionization of the sample analyte elements take place. Due to the thermic energy taken up by the electrons, they reach a higher “excited” state. When the electrons drop back to ground level, energy is liberated as light (photons). Each element has its own characteristic emission spectrum. By means of an Echelle grating, a prism, and a focusing mirror, these emitted photons at various frequencies are captured simultaneously by the suitable detectors. The wavelength of the photons can be used to identify the elements from which they originate.

Introduction

Rick (1984) used the term pre-breeding or developmental breeding to describe the same activity. Thus "genetic enhancement" or "pre-breeding" refers to the transfer or introgression of genes or gene combinations from unadapted sources into breeding materials (FAO, 1996)

However, enhancement has been more popularly adopted by PGR scientists. It is an emerging concept emphasizing the use of plant genetic resources

• To meet the market requirement, plant breeders have to develop improved cultivars.

• Crop improvement has led to narrowing down of genetic base resulting in slower progress (genetic gain) in plant breeding and increased risk of genetic vulnerability

Need for Genetic Enhancement

• In improving the level of resistance to biotic and abiotic stress.

• In improving quality characters such as fibre length, strength, fineness, maturity and uniformity.

• In developing early maturing genotypes, which can fit well in multiple cropping systems.

• In developing plant types suitable to machine picking etc.

• Use of germplasm will help in broadening the genetic base of cultivars as well as in creating vast genetic variability.

Introduction

• Thus "genetic enhancement" or "pre-breeding" refers to the transfer or introgression of genes or gene combinations from unadapted sources into breeding materials (FAO, 1996).

• Genetic enhancement plays an important role in utilizing unadapted and unutilized germplasm collections and creating vast genetic variability for development of productive cultivars / hybrids.

• Objective of Genetic Enhancement is broadening the genetic base and increases genetic diversity

• Gene pool – Harlan and de Wet (1971).

• Primary gene pool (GP-1): Members of this gene pool are probably in the same "species" (in conventional biological usage) and can intermate freely.

• Secondary gene pool (GP-2): Members of this pool are probably normally classified as different species than the crop species under consideration (the primary gene pool).

• Tertiary gene pool (GP-3): Members of this gene pool are more distantly related to the members of the primary gene pool. The primary and tertiary gene pools can be intermated, but gene transfer between them is impossible without the use of "rather extreme or radical measures such as embryo rescue (or embryo culture, a form of plant organ culture) induced polyploidy (chromosome doubling) bridging crosses (e.g., with members of the secondary gene pool).

Primary Dicot Root

A young dicot root which does not possess secondary tissues but only the primary permanent tissues (tissues derived from the apical growing point) is called primary dicot root. It is generally cylindrical in outline and possesses the following tissues.

I) Epiblema or Piliferous Layer

It is the outermost layer of the root. It is made of compactly arranged thin walled and slightly elongated parenchymatous cells. Epiblema of a root differs from the epidermis of the stem in being devoid of distinct cuticle and stomata. Some cells of the epiblema give rise to thin – walled tubular outgrowths called root hairs. In some plants the root hair mother cells are shorter in comparison to other epiblema cells. The root hairs and piliferous layer (pilus – hair, ferre to carry). The root hair and thin walled epiblema cells absorb water and mineral salts from the soil. Root hairs commonly do not live for more than one week. With their death the epiblema cells become suberised and cutinised.

II) Cortex

It lies below the epiblema. The cortex is made up of many layers of thin walled parenchyma cells. The parenchyma cells may be rounded or angular. They enclose inter-cellular spaces for diffusion of gases.The cells of the cortex store food. They also conduct water from the epiblema to the inner tissues.

The macroscopic characteristics of wood give the clues to the conditions under which the wood is grown, provide an indication of physical properties and serve as an aid in wood identification.

Growth rings do not always appear as distinct alternating bands of earlywood and latewood. Some hardwoods, for example, form large-diameter pores early in a growing season and much smaller pores later in the year; such woods are called ring-porous. Discontinuous rings are occasionally found in trees having one-sided crowns and in heavily defoliated, suppressed, and over mature trees. Examination of a stem cross-section often reveals a dark-colored center portion surrounded by a lighter-colored outer zone. The dark center area is known as heartwood and the lighter tissue as sapwood. Trees in which fibers are spirally arranged about the stem axis are said to have spiral grain.

Wood can often be identified by macroscopic characteristics, particularly by colour, gloss, odour, weight and structure. Wood have two types of features:

A) Macroscopic or Gross feature

B) Minute structure feature

The microscopic features reveals that wood is composed of minute units called cells. The fundamental differences between different kinds of woods are founded on the types, sizes, proportions, pits and arrangements of different cells that compose the wood. Softwoods have a simpler basic structure than do hardwoods due to the presence of only two cell types, and relatively little variation in structure within these cell types. Hardwoods have greater structural complexity because they have both a greater number of basic cell types and a far greater degree of variability within the cell types. In each case, however, there are fine details of structure that could affect the use of a wood.

The structure of a typical softwood is relatively simple. The axial or vertical system is composed mostly of axial tracheids, the radial or horizontal system and the rays, are composed mostly of ray parenchyma cells. According to estimates, 1 cubic metre (about 35 cubic feet) of Spruce wood contains 350 billion to 500 billion cells. The basic cell types are called tracheids, vessel members, fibres, and parenchyma

The structure of a typical hardwood is much more complicated than that of a softwood. The axial or vertical system is composed of fibrous elements of various kinds of vessel elements in various sizes and arrangements, and axial parenchyma cells in various patterns and abundance. Like softwoods, the radial or horizontal system are the rays, which are composed of ray parenchyma cells, but unlike softwoods, hardwood rays are much more diverse in size and shape.

32.1. Aim

To estimate the level of sulphur dioxide contents in fruit and vegetable products

32.2. Theory and principle

Sulphur dioxide in food product is added as class II preservative and may exists as undissociated sulphurous acid, as free bisulphate or sulphite ions or as combined SO2 in the form of hydroxy sulphonates. Sulphur dioxide is measured as free or total SO2. Estimation of SO2 in squashes, jam, RTS drinks is important as its presence beyond the prescribed FSSAI limits make the product not confirming to Indian Food Laws. Generally 2 parts of KMS (Potassium metabisulphite) releases one part of SO2 explained as under:

44.1. Aim

To conduct practical on processing of tea and coffee.

44.2. Theory

Tea is an evergreen woody perennial grown in many Asian countries including China, Japan, Java, Sumatra and India. The plant produces dark green, small shiny leaves with white blossom. In post harvest and manufacturing practices for tea, only mechanical and physical processes are allowed with natural fermentation. It can be manufactured by orthodox, CTC (crush, tear and curl) processing.

Coffee is an important beverage used all over the world. Brazil and Columbia are the largest coffee producers in the world. Coffee is harvested in one of two ways; strip picking (entire crop is harvested at one time either by machine or by hand); selective picking (only the ripe berries are picked individually by hand) during dry season when cherries are bright red, glossy and firm. After picking, the coffee can be prepared either by dry method which produces natural coffee or by wet method which produces washed coffee.

48.1. Aim

To conduct practical on drying of fruits

48.2. Theory

Drying generally refers to the method of removal of moisture from the food under natural condition such as sunlight and wind for example open sun drying, shade drying etc. Dehydration refers to a process of removal of moisture by application of artificial heat under controlled conditions of temperatures humidity and air flow. It also represents drying of agricultural commodity to dry state. For drying, single thin layer of fruit and vegetables, either whole or sliced after primary pre-treatments is spread on the trays which are then placed inside the dehydrator or in the open sun for drying. In the dehydrator initial temperature is generally kept at 43oC which is then gradually increased to 66-71oC for fruits.

56.1. Aim

To determine quality characteristics of dried and dehydrated fruits and vegetables.

56.2. Theory

The quality of dried/dehydrated products can be measured by estimating moisture contents, preservatives level, acid insoluble ash contents and most importantly enzyme reactions.

56.3. Estimation of Acid insoluble ash

1. To total ash add 25 ml of dilute HCl (10% w/w)

2. Cover with a watch glass and boil gently over a low flame for 5 minutes

3. Filter and wash the filter paper thoroughly with hot water

4. Return the paper to the original dish, ignite, cool and weigh the insoluble ash

6.1 Introduction to Remote Sensing in Watershed Management

Remote sensing involves acquiring information about the Earth's surface without physical contact, using satellite or aerial imagery. This technology has revolutionized watershed management by providing detailed and timely data, crucial for effective planning and decision-making.

6.2 Remote Sensing Technologies and Techniques

Satellite Imagery

Satellite imagery involves capturing images of the Earth from space using satellites equipped with sensors. Some of the most notable satellite missions providing high-resolution imagery for large-scale environmental monitoring include Landsat, Sentinel, and MODIS.

a. Landsat: Operated by NASA and the US Geological Survey, Landsat satellites have been observing the Earth since 1972. Landsat provides medium-resolution images (15-60 meters per pixel) in both visible and infrared wavelengths, allowing for detailed monitoring of land use, vegetation health, and water bodies.

Introduction

Black cotton soils are formed by the solidification of molten magma; it covers a large area of the Deccan plateau. The depth of this soil is very high in the lower part of the Krishna – Godavari basin. The clay fraction is very high which is responsible for the heavy waterlogging in the area of heavy rainfall and become more vulnerable to soil erosion. The fine fraction of soil not allows draining out through the soil profile and at the same time the rate of evaporation is low. During summer soils suffer from moisture stress and it becomes very hard but at the same time during the rainy season moisture content very high. this imposes severe constraints on conventional agriculture use as a result most of the land remains fallow and subjected to soil erosion due to heavy rain. The nutrient status of the soil is quite good in Vertisol but these constraints limit crop production. To manage black cotton soil for crop production it is advisable to use animal-powered devices for surface soil drainage, Counter cultivation, adoption of a new cropping system will be helpful for better crop production.

The decision whether to extract the seed from the fruit at a central seed processing depot or close to the site of, and soon after, collection must be made in the light of local conditions. The reduction in bulk and weight of the collected material greatly facilitates transport and for this reason the extraction of the seed from relatively bulky fruits may be desirable at the site close to the collection area. In some cases it has also been found that early extraction of the seed is essential to maintain maximum viability. The use of the sun drying to speed extraction of the seed is common for many conifers and trees with woody dehiscent fruits. However, too rapid drying of fruits may sometimes cause them to remain closed and prevent later extraction, a condition known as “case-hardening” of cones. This is true for the cones of some pines if they are collected before peak maturity. In such cases it is necessary to keep the fruits under cover, with a good circulation of air, for one or two weeks before more rapid drying is attempted.

Extension workers are required to visit farm homes as a fundamental aspect of effective Extension work. These visits are essential for building trust and securing the cooperation and friendship of farm families, especially in areas where the value of educational programs is not fully understood, where group meetings are uncommon, or where cultural norms prevent women from meeting publicly. As an Extension worker, reaching all members of the community involves employing various methods. While individual visits may not reach as many people as other approaches, there are occasions where only a personal visit will suffice. Words can be misunderstood, but a friendly smile, genuine empathy, or practical assistance are universally understood. It is crucial for Extension workers to be liked by families, as this acceptance is necessary for the families to accept their recommendations. Establishing rapport takes time; understanding local customs and observing social niceties during visits can significantly impact their success. For example, sharing tea with a family can be a critical gesture.

The general circulation of the atmosphere explains the formation of pressure belts and wind systems in the earth’s atmosphere. It is known that the earth receives more solar radiation near the equator and gets heated more. Consequently, the air gets heated more and rises vertically upwards. As there is more convection of the air near the equator, the atmospheric pressure will be less. The warm air which moves upwards up to a height about 14 km near the equator gets cooled and move towards the poles.

The upper air gets gradually cooled when it reaches a latitude of 30°N in the northern hemisphere and 30°S in the southern hemisphere. At about 30°latitude the cold air descends to the earth’s surface. Some of the cold air after descending to earth’s surface moves towards the equator. The circulation of air between the equator and 30°N or 30°S latitudes is called Hadley cells (Fig. 8.1).

The winds blowing from 30° latitude towards the equator at surface level are called trade winds. These trade winds which move towards the equator in both northern hemisphere and southern hemisphere converge near the equator and the zone of the convergence of these winds is called Inter Tropical Zone of Convergence. As the convergence of air takes place, due to convection of heat as a result of high temperatures leads to vertical lifting of moist air. Therefore, the Equatorial regions receive more rainfall and there are tropical forests in this region.

Flashcards are a study aid that typically consists of a set of cards bearing information, such as vocabulary words, questions, or concepts on one side, and their corresponding answers or explanations on the other. They are used to enhance memory through active recall and spaced repetition.

Planning for Flashcards

1. Define the Purpose and Scope

• Determine the subject or topic you want to study.

• Identify the specific concepts, terms, or questions that need to be included.

2. Gather Resources

• Collect textbooks, lecture notes, or other educational materials related to the topic.

• Ensure you have reliable and accurate information. 

Exhibition

An exhibition is a public display of works of art, artifacts, products, or other items of interest. Exhibitions are typically organized in galleries, museums, trade shows, or public spaces and can be focused on a single theme or a wide range of subjects. They aim to inform, educate, and engage the audience, offering an opportunity for visitors to experience and interact with the displayed items.

Audio Visual Aids

Audio visual (AV) aids are tools that use both sound and visual components to enhance the communication of information. Examples include videos, slideshows, interactive displays, projectors, speakers, and digital screens. These aids are used in various settings, such as classrooms, corporate presentations, and exhibitions, to make the content more engaging and easier to understand.

Integration of AV Aids in Exhibitions

Integrating AV aids in exhibitions involves incorporating technologies like projectors, speakers, touchscreens, and interactive kiosks to enhance the visitor experience. This integration can bring static displays to life, provide deeper insights into exhibits, and create an immersive environment. Proper integration requires careful planning to ensure that the AV aids complement the exhibits and do not overshadow them.

Introduction

The ICAR-National Academy of Agricultural Research Management (NAARM) was established in Hyderabad in 1976 by the Indian Council of Agricultural Research. Its primary mission is to enhance the capacities of agricultural research, education, and extension education systems, and to offer policy advocacy for the National Agricultural Research and Education System (NARES). To achieve this, NAARM conducts various capacity-building programs for researchers, educators, extension personnel, scholars, and other stakeholders within NARES. The Academy aims to boost both individual and institutional capabilities for innovation within NARES. Given the critical role of agricultural research in the nation’s food security and economic development, leadership, governance, and innovation are essential for transforming NARES into a more diverse and innovative system. With this in mind, NAARM has crafted its vision, mission, and mandate.

A video camera is an optical device designed to capture videos, differing from a movie camera that records images on film. Initially developed for the television industry, video cameras are now widely utilized for various purposes.

Video cameras are primarily operated in two modes. The first mode, prominent in early broadcasting, is live television, where the camera transmits real-time images directly to a screen for immediate viewing. While a few cameras still support live television production, most live feeds are now used for security, military/tactical, and industrial applications requiring covert or remote monitoring. In the second mode, images are recorded onto a storage device for archiving or further processing. For many years, videotape was the primary format, but it has been gradually replaced by optical discs, hard disks, and eventually flash memory. Recorded video is utilized in television production and is increasingly used for surveillance and monitoring tasks, where unattended recording of a situation is necessary for later analysis.

Understanding focus is a crucial technique in photography, especially for beginners. If your photos aren’t properly focused, they’ll turn out blurry even with perfect camera settings. The ease of focusing depends on your subject it’s simpler for stationary objects like landscapes but more challenging for moving subjects like birds in flight. This guide will cover all the essentials for achieving sharp, focused images.

What is Focus

In every photo, there’s a plane of focus, an area that can be as sharp as possible. Imagine this plane as a window intersecting your scene; any object touching this window is “in focus.” Adjusting this plane to get your subject sharp is known as focusing. Modern lenses achieve this by moving internal glass elements to alter the light’s optical path. You can also change the focus plane by moving the lens physically, a technique used in macro photography with extension tubes.

A One-Minute Video Script

A one-minute video script is a brief yet powerful tool that can make a significant impact. The goal is to convey your message quickly and clearly within a short amount of time. This script should have a strong structure, starting with a powerful beginning to grab the audience’s attention and ending with a clear call to action (CTA). Crafting your video script allows you to tailor your message precisely to your target audience, ensuring maximum engagement.

Key Elements of an Effective One-Minute Video Script

• Powerful Beginning: Start your script with an attention-grabbing intro. This could be a surprising fact, a bold statement, or a question that piques the audience’s curiosity.

• Clear Main Narrative: Focus on the main narrative. Ensure your message is clear and easy to follow, keeping the audience engaged throughout.

• Strong Call to Action: Conclude with a strong CTA that encourages viewers to take the next step, whether it’s visiting your website or subscribing to your channel.

Introduction

Planning scripts for documentary production and drama is crucial for creating compelling and effective visual narratives. Documentaries focus on presenting factual content and real-life stories, aiming to inform or inspire audiences through a detailed exploration of a specific topic. In contrast, dramas revolve around fictional stories designed to evoke emotions, explore complex characters, and engage viewers with imaginative scenarios. Both genres require meticulous planning and scripting to ensure clarity, coherence, and impact. For documentary production, the script serves as a blueprint that guides the storytelling process, balancing factual accuracy with engaging presentation. In drama production, the script outlines the narrative structure, character development, and dialogue to create an immersive and emotionally resonant experience. Understanding the nuances of scripting for both types of productions allows creators to effectively communicate their messages and captivate their audiences.

There’s no one-size-fits-all approach to writing a documentary script, but there are best practices that can streamline the process. Here are some key tips for crafting a compelling documentary script:

Choose a Story You’re Passionate About

Start by asking yourself why you want to create this documentary. What message do you want to convey? Why are you the best person to tell this story? These are questions that producers and executive producers will expect you to answer in a pitch, but it’s crucial to first address them for yourself. The answers will guide you to a story that you’re genuinely passionate about, making the long and challenging process of documentary filmmaking worthwhile. Once you have clarity on these questions, you can dive into the task of researching your material, identifying the story, and crafting the script.

Homeopathy

Homeopathy is a different system of health care being practiced across the world. It is not only an alternate health approach but a distinct full-fledged complete rational system of medicine having holistic, individualistic, and dynamistic approach to life, health, disease, remedy and cure. This system of health care science is offering treatment option for acute and chronic ailments of humans and animals. Homoeopathy takes a holistic approach towards the sick individual through promotion of inner balance at mental, emotional, spiritual and physical levels.

Birth of Homeopathy

Homeopathy was founded by Dr Hahnemann who was more concerned to evolve a safe and effective therapeutic paradigm around the key concept of similia. Dr. Hahnemann codified a new medical system with seven principles/ concepts when vital force theory , miasmatic theory of causation of diseases (Bhalwar, 2009) were prevalent and the concept of drug proving on healthy human being was proposed by Albrecht von Haller (Hahnemann,1922) .He fortified his key concept of “similia” with drug proving, drug dynamisation and individualization, and four ancillary theories viz. chronic diseases (Miasm), vital force (vital principle), single medicine and minimum dose. He named his new system of therapy as “Homeopathy” and published the first edition of Organon of Medicine in 1810.

Many human illnesses are contacted from animals and plants; and are also due to imbalance in the environment. Mental, emotional and relational symptoms seen in humans are absent in animals. Nevertheless, careful observations on the behavior of the animal and its relation with others may play key role in homeopathic prescribing in animals. No doubt the use of homeopathy in animals is challenging. Homeopathic treatment of pet animals has many similarities with homeopathic treatment of babies and children such as non verbal communication, the socialization and the relationship with third parties (owners in case of pets and parents in case of children).There are many prescribing strategies in veterinary homeopathy.

Introduction and Scope of Veterinary Pathology

• The aim of study of veterinary and animal sciences is to produce a competent veterinarians. The veterinarians are involved in the diagnosis of diseases of livestock, poultry, wild animals and captive animal species. The study of diseases is essential component of pathology.

• Pathology (Gr. Path(o) - Disease; logos: science, treatise, sum of knowledge in a particular subject) • Pathology is the subject linking basic subjects of anatomy, histology, embryology, physiology and biochemistry to clinical subjects of medicine, surgery and obstetrics and gynaecology.

• Pathology is a subject of terminology.

• It is important to familiarize with different terminologies used in describing events/ disease conditions. The definition of each terminology is the gateway to understanding the particular disease process.

Migration is a worldwide occurrence that can be attributed to various factors such as disparities in economic development, regional differences, and varying living standards among socio-economic groups. It is driven by both push and pull factors. Pull factors include opportunities for better employment and higher wages, while push factors encompass the lack of job prospects in underdeveloped areas, droughts, and scarcity conditions. Unlike the biological factors of mortality and fertility, which operate within a biological framework, migration is influenced by the desires of individuals. Although most migratory movements are intentional, there may be exceptional cases where this is not true. Therefore, migration is a response by individuals to economic, social, political, and demographic forces in their environment and serves as an important indicator of social change in society.

The present research focuses on studying the Entrepreneurial Communication of Farmer Producer Organization (FPO) Members: The Process, Impact, and Innovation. The study was conducted in selected blocks of West Bengal, with a comparative analysis being carried out.

Fifteen Farmer Producer Organizations (FPOs) located in Uttar Dinajpur and Nadia districts of West Bengal were chosen. To ensure a comprehensive understanding of the research area, a pilot study was conducted to explore the geographical landscape, understand the local population, assess relevant institutions, analyze communication channels, and evaluate the extension systems.

With the help of CBBO, an exhaustive list of FPOs was prepared to ensure a representative sample. From this list, a random sampling method was employed to select seventy-five respondents for the study. Primary data were collected using structured interview schedules conducted through personal interviews.

The main objective of this research is to gain valuable insights into the entrepreneurial communication practices of Farmer Producer Organization (FPO) members and assess their impact on entrepreneurship. Additionally, the study aims to explore potential avenues for innovation within FPOs. By conducting a comparative analysis of various FPOs in West Bengal, this research seeks to shed light on their communication processes, effectiveness, and contributions to the overall entrepreneurial ecosystem. The findings of this study have the potential to significantly enhance entrepreneurial communication practices within FPOs, promoting innovation and facilitating the growth of agricultural entrepreneurship in the region of West Bengal.

Agriculture has undergone profound transformations over the past century, driven by technological advancements, economic shifts, and environmental challenges. This article explores the multifaceted evolution of agriculture, emphasizing the integration of modern technology, sustainable practices, and global policy changes. From the advent of precision farming and biotechnology to the impact of climate change and urbanization, contemporary agriculture is characterized by its complexity and adaptability. This examination provides a foundational understanding of the current agricultural landscape, highlighting key trends, challenges, and opportunities for future growth and sustainability.

Sustainable farming practices are essential for ensuring food security, environmental protection, and the long-term viability of agricultural systems. As the global population continues to rise, traditional farming methods are increasingly proving to be unsustainable due to their reliance on chemical inputs, depletion of natural resources, and contribution to climate change. This article delves into the various aspects of sustainable farming, including organic agriculture, agroecologist, and regenerative farming practices. It examines the benefits and challenges associated with these approaches, as well as the technological innovations and policy frameworks that support their adoption. The discussion highlights the necessity of transitioning to sustainable practices to safeguard our planet and future food supply.

Renewable energy in agriculture represents a transformative shift toward sustainability and efficiency in food production systems. This article explores the various renewable energy technologies that are being integrated into agricultural practices, including solar, wind, biomass, and geothermal energy. It examines the benefits of these technologies in reducing greenhouse gas emissions, lowering energy costs, and enhancing the resilience of agricultural operations against climate change. Additionally, the article discusses the challenges and barriers to widespread adoption, such as initial investment costs, technological limitations, and policy obstacles. Through case studies and real-world examples, the article highlights successful implementations of renewable energy in agriculture and offers insights into future trends and innovations. The integration of renewable energy into agriculture not only supports environmental sustainability but also promotes economic viability and energy independence for farmers, paving the way for a more resilient and sustainable agricultural sector.