eChapters

Sustainable Development
Although the term “sustainable development” is frequently overused, it is essential to addressing a multitude of interconnected global concerns, including hunger, poverty, inequality, and environmental degradation.
Several environmental movements from previous decades gave rise to the concept of sustainable development. Major international gatherings, like the 1992 Rio Earth Summit, were crucial in advancing the cause of sustainable development. But it seems that progress toward sustainability has not been great up to this point.
Definition
A key objective of sustainable development is to achieve a reasonable and equitable distributed level of economic well-being that can be continuously perpetuated for many human generations. Sustainable development is defined as a pattern of social and
structured economic transmissions (i.e., development) that optimizes the economic and societal benefits available in the present without jeopardizing the likely potential for similar benefits in the future.
“Development that meets present needs without compromising the ability of future generations to meet their own needs” is another definition of it.
Salient Aspects of Ecological Development
1. It takes equity into account between nations and continents, racial and socioeconomic groups, gender, and age.
2. It encompasses environmental requirements as well as social development and economic opportunities.

Introduction

Agriculture is highly dependent on environment, and it’s very difficult to get favourable climate and other conditions for optimum crop growth and development as per crop need. Open field conditions are having a high direct affect of the prevailing weather conditions on crop growth, and also on population dynamics of viruses, fungus, bacteria, insects, etc. With time crops has adopted themselves to specific seasons, but the fast changing climatic conditions happening across the globe has changed the climatic characteristics of a season. This has resulted in untimely rains, high temperature fluctuations and changes in other abiotic and biotic factors in geographically varied locations where it was not supposed to be earlier based on various geographical factors deciding the climatic conditions of that area. Therefore, there is need to develop suitable technologies to sustain these challenges. How to address these issues, can we manipulate the climatic conditions or can we provide protection to the crops against climatic fluctuations and various other related stresses.

Observational study : Epidemiological study in situations where nature is allowed to take its course. Changes or differences in one characteristic are studied in relation to changes or differences in others, without the intervention of the investigator.

Odds ratio : A measure of association which quantifies the relationship between an exposure and health outcome from a comparative study; also known as the cross-product ratio.

OECD : The Organisation for Economic Co-operation and Development, a Paris-based club for industrialised countries and the best of the rest. It was formed in 1961, building on the Organisation for European Economic Co-operation (OEEC), which had been established under the marshall plan. By 2003, its membership had risen to 30countries, from an original 20. Together, oecd countries produce two-thirds of the world’s goods and services. The oecd provides a policy talking shop for governments. It produces forests-worth of documents discussing public policy ideas, as well as detailed empirical analysis. It also publishes reports on the economic performance of individual countries, which usually contain lots of valuable information even if they are rarely very critical of the policies implemented by a member government.

When certain disease-causing bacteria or pathogens contaminate food, they can cause foodborne illness, often called “food poisoning”. Foods that are contaminated may not look, taste or smell any different from foods that are safe to eat. Salmonella, Campylobacter, Listeria and Escherichia coli are common bacteria causing foodborne illness. Some foodborne illnesses are mild where most people get better within a few days, but illness can sometimes be more severe and fatal. Bacillus cereus can form heat resistant spores. On cooking the food with these spores the heat resistant toxin is left at room temperature. Reheating or lightly cooking the food does not destroy these toxins. Most types of foodborne illnesses cause symptoms like nausea, vomiting, watery diarrhea, abdominal pain and cramps. Fever and/or the presence of blood or mucus in the stool are signs of bacterial infection that may require a medical consultation. Proper food handling is vital to prevent most foodborne illnesses and diseases. WHO has given keys towards safer food which should be followed. Unsafe food containing harmful bacteria, viruses, parasites or chemical substances, causes more than 200 diseases which range from diarrhoea to cancers. Foodborne and waterborne diarrhoeal diseases kill around 2 million people worldwide annually, including many children. A single foodborne bacterium can grow into more than two million bacteria in just seven hours under the right conditions. Foodborne pathogen called Listeria sp. can survive and sometimes grow on foods being stored in the refrigerator. Hepatitis A virus can cause long-lasting liver disease and spreads typically through raw or undercooked seafood or contaminated raw produce. It is estimated that more than 250 million people worldwide suffer food allergies. The boiling temperature (smoke point) of cooking oil is above 200 °C. The boiling point of water is 100 °C.

According to the World Health Day (WHO,2015) food contamination happens when food are corrupted with another substance. It can happen during the process of production, transportation, packaging, storage, sales and cooking process. The contamination can be physical, chemical and biological. Faulde et al., (2013) studied the infection caused to patients by mothfly

Agriculture

The term agriculture is derived from Latin word ager or agri meaning soil and cultura meaning cultivation. Agriculture is a broad term encompassing all aspects of crop production, livestock farming, fisheries, forestry etc. Agriculture is a branch of applied science and is the art of farming including the of cultivating the soil for producing crops and raising livestock. There are three main spheres of agriculture-geoponic meaning cultivation in soil, hydroponic meaning cultivation in water and aeroponic meaning cultivation in air.

Agriculture is a productive unit where the gifts of nature like land, light, water and temperature are integrated into a single primary unit that is crop plant which is indispensable for human beings. The secondary productive units of agriculture are animals including livestock, birds and insects which feed on the primary units and provide concentrated products such as meat, milk, wool, eggs, honey, silk and lac.

The jackfruit, Artocarpus heterophyllus Lam. of the family Moraceae, is also called jak-fruit, jak, jaca and, in Malaysia and the Philippines, nangka; in Thailand, khanun; in Cambodia, khnor; in Laos, mak mi or may mi; in Vietnam, mit. It produces the largest known edible fruit. In South-India, it is a common shade tree for many plantation crops. A jackfruit contains 28.7% pulp, 11.5% seed and 59.8% rind, sheath and core.

The place of origin of Jackfruit is not knows exactly, but it is believed to be indigenous to the rainforests of the Western Ghats of India. It is found at low elevations throughout India, Burma, Ceylon, southern China, Malaysia, and the East Indies. It is common in the Philippines, both cultivated and naturalized. It is grown to a limited extent in Queensland and Mauritius. In India it grows in a wild and semi-wild state in Assam, West Bengal, Tripura, Bihar, Uttar Pradesh and states along western Ghats range, particularly Kerala, Karnataka and Maharastra.

Cultivars: Rasdar, Khajwa, Rose-scented or Gulabi, Champa, Hazari, Rudrakshi.

Uses

Both mature and immature fruits as well as seeds are used for various purposes. Ripe fruit is used for dessert purpose and processing into various products, while unripe bulbs are used for making chips. The immature fruit and seeds are used as vegetable. The bark is used for tanning purpose. Heart-wood yield a yellow dye. A yellow dye can also be extracted from the wood particles and used to dye cotton. The latex which flows from all parts of the plant when injured is also used as adhesive. The resins within the latex may also have some value in varnishes. The timber is a medium hardwood with desirable characteristics for making furniture, oars, implements and musical instruments and the wood is also used in construction. It is termite proof and fairly resistant to fungal and bacterial decay. The roots of older trees are good materials for carving and picture framing Leaves are utilized as a green fodder. Several processed products, such as squash, nectar, fruit bar, toffies, jams, canned and dehydrated pulp, beverages, etc. are prepared from the pulp. The seeds can be eaten boiled, roasted or dried and salted as table nuts, or they can be ground to make flour and blended with wheat flour for baking (International Centre for Underutilized crops, 2003).

Postharvest diseases caused by fungal pathogens are more numerous than those due to bacterial pathogens. Infection by these pathogens may be initiated in the field before harvest, during transit or storage. These pathogens may remain dormant and become active, when the physiological conditions of the produce and environmental conditions become favourable. Symptoms characteristic of the diseases are observed as the produce age or ripen.

Introduction

Gastro-intestinal parasites are considered as the 'silent killers' and remain hidden or undiagnosed by the livestock owners or veterinarians as the infected animals manifest meagre clinical signs. These parasites often have detrimental effects on the growth and development of animals where they can potentiate mortality especially among young, weak or nutritionally compromised animals. They negatively impact animal health in terms of reduced weight gain, anorexia, digestive disturbance, impaired reproductive performance, condemnation of affected organs, mortality in infected animals and ultimately affect animal production, contributing to huge economic losses to the livestock owners. At present, chemotherapy is the most practical and widely practiced approach to curb these infestations. But frequent and indiscriminate use of anthelmintics imposes a threat on the sustainability of current control measures. Thus, there is an urgent need for incorporation of alternate control approaches while designing our worm control programs, so that we can reduce the usage of anthelmintics and prolong their effectiveness. The effectiveness or success of any worm control strategy is evaluated based on integrated parameters like the ultimate goal of increasing production, minimizing risks regarding drug resistance and considering consumer's concerns about health and environment-associated problems. In general, gastro-intestinal nematode control strategies can target either the parasite population inside the host or the free-living stages of parasites in the environment. Here, we are discussing some of the components of sustainable control measures for these parasites in detail.

8.1. Packaging

• One of the important steps in long and complicated j oumey from grower to consumer.

• Bags, crates, hampers, baskets, cartons, bulk bins, and palletized containers are convenient containers for handling, transporting, and marketing fresh produces.

8.2. Packaging points

• Recyclability / Biodegradability

• Variety

• Sales appeal

• Shelflife

• Containment

• Protection

• Identification

? To provide information on produce name, brand, size, grade, variety, net weight, count, grower, shipper, and country of origin.

? Universal Product Codes (UPC or bar codes) is included as part of labelling.

? UPC is used in food industry which consists of a ten digit machine readable code.

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.

9.1 Structure of Silk Gland
The silk of silkworms is secreted by a pair of labial glands, known as silk glands. The silk glands lie ventral to the alimentary canal. In full grown larvae, these occupy most of the body cavity. The silk glands are tubular in shape with different diameters in different regions. Each gland has 3 distinct regions (Fig.9.1).
(1) Posterior Region: Blunt, highly folded tubular posterior regions of both glands remain attached to tracheal bushes of silkworm. This part secretes fibroin as fibrinogen which converted to fibroin upon extrusion.
(2) Middle Region: Most prominent and widest part of silk gland. It remains folded in a W-shaped structure and thus has 3 limbs posterior, middle and anterior limbs. The posterior arm secretes sericin-I. It gets
surrounded by sericin-II secreted from the middle limb. This sericin again gets surrounded by sericin- III secreted from the anterior limb. The middle region of silk gland also acts as the reservoir of fibroin where the
later gets mature during the storage period.
(3) Anterior Region: The thin anterior region of silk gland has no secretory role and only transports the assembled silk to the spinneret.

ABSTRACT

This paper is an attempt to draw the attention of readers of this volume to understand the importance of documentation and preservation of earth’s resources.  

Introduction

Earth has innumerable treasures that were and are being exploited by mankind. Geo-resources in the form of minerals, non-renewable hydrocarbons, paleontologic relics and related evidences indicate earth’s evolutionary history. Continuum of biological activity albeit varying rates of proliferation had resulted in accumulation of natural resources embedded in Earth and distributed at specific geographical niches. Biological perspective of earth history is significant in unraveling bio-geo-sphere interactions through geological time. Fossil records of invertebrates, vertebrates and plants are signals of major changes in earth’s evolutionary history. These constitute unparalleled windows to understand continental separation. Intercontinental and intra continental migration of living forms are also traced through fossil study.

True/False

Q.1.    The precision of an estimator increases as the sample size increases.
Q.2.    Statistical power is the probability that a statistical test will indicate a significant difference is true i.e. it is the probability of taking correct decision.

This statement signifies that the casualty of people is not due to the earthquake but due to the damage of buildings by earthquake forces. In developed countries, the casualty and loss of property is very minimal in comparison to the death toll and losses in India in the event of earthquakes of same magnitude. It has been experienced in the past that on the event of earthquakes of Richter magnitude scale of 6 or more, the death toll in India is in terms of thousands where as in Western Countries, it is multiple of tens. The less casualty is due to less damage of buildings and other infrastructures which in turn is due to the design and construction of Buildings and other structures as per the earthquake resistant theory. This paper discusses the issues related to the earthquake hazards in India and the concept of earthquake resistant structures.

Introduction

India is having very rich sources of inland water bodies in the form of river, lakes and reservoirs. The reservoirs are constructed by impounding the river system. The reservoirs are constructed for effective utilisation of water for irrigation, power generation and flood control. Reservoir fishery in India is also important from socio-economic point of view as it has the potential of providing employment to about two million people, Kaushal and Sharma (2001). Total area under the reservoirs in India is 3:1 million ha and it is expected to double by 2020. This includes 19,000 small reservoirs with a total water surface area of 14,85,557 ha and about 180 medium and 56 large reservoirs of 5,27,541 and 11,40, 268 ha area respectively.

The Maharashtra is endowed with an area of 1,79,430 ha under reservoir and the Maharashtra produces 516 tonnes of fish through reservoirs. The state fisheries corporation was operating in 6,272 ha of reservoirs and marketing the catches.

ABSTRACT

Banana is one of the most accepted and versatile fruit crops across the globe and in Kerala, it is the most important economically profitable fruit crop grown, mainly by small and marginal farmers, providing a vital source of income. However, the productivity of this crop is very much reduced due to various diseases of which rhizome rot disease is an important one. In recent years, this disease has become a serious problem to the commercial cultivation of banana in southern states of India like Kerala, Karnataka, and Tamil Nadu.In Kerala the disease incidence is found to be nearly 30% and it will soon become cent percent if unnoticed since the disease is more seen in banana cultivated in paddy fields, and the area under the cultivation of banana in paddy fields in Kerala is rapidly increasing. The disease is caused by a gram negative bacterium, Erwinia carotovora. Developing an integrated management package involving biocontrol methods is the only remedy for managing the disease within the financial limits of the marginal farmers. With this intension a pot culture experiment was conducted to study the inhibitory effect of different biocontrol agents and botanicals in the incidence of the disease after testing their efficacy under in vitro cond itions. The results revealed that the biocont rol agent Pseudomonas flourescens (commercial preparation @ 7g /plant) was found to effective in managing the disease. The co- efficient of infection was found to be13.9% as against the control pot where it was 56.24%. With regard to the growth parameters also, the treatment with this biocontrol agent gave superior results. Thus it was proved that Pseudomonas flourescens (commercial preparation @ 7g /plant) could be successfully utilized in the integrated disease management making it cost effective.

Water can move in the liquid and gaseous phases:

1. Liquid water

i) Saturated flow: Most pores are filled with water; water in this condition is tension free

ii) Unsaturated flow: Pores are partially filled with air; the water is under tension.

2. Water vapour

i) Diffusion: Water vapour moves by diffusion as a result of vapour pressure differences (partial pressure)

ii) Mass flow: Water vapour flows in a mass with other gases of the system in response to differences in total pressure.

This is the commonest symptom of nearly all respiratory diseases and is indicative of an effort to expel a foreign substance causing irritation on any place in the cough reflex path.

The center is in the medulla close to the respiratory centers. This is activated reflexly by the afferent impulses traveling up mostly along the vagus and to a less extent, the vagus and the phrenic (to bronchi and diaphragm), the spinal accessory, intercostals and other nerves supplying the accessory muscles of respiration. The peripheral fibres of the vagus and the phrenic are also sometimes directly affected causing cough reflex.

The medullary center itself may also be excited or restrained by impulses from superior cerebella centers, so that cough may be induced or controlled by voluntary efforts.

Globally there is growing demand for small ruminant production especially, goats for meat and milk purposes to feed the ever-increasing human population. As per 20^th Livestock Census released by Department of Animal Husbandry & Dairying, the Goat population in the country in 2019 is 148.88 million showing an increase of 10.1% over the previous census Out of 148.88 million Indigenous Goats (Including Non-descript), 27.4% are pure breed, 9.1% are graded breeds and the remaining 63.5% are non-descript breeds. The goat population has increased at a faster growth rate in India and varied from 0.94 to 5.10% with an average of 3.05% during 1951-2013 in spite of about 41% slaughter and about 15% natural annual mortality. India produced 21.71% of the milk, 10.47% of the meat and 13.15% of the fresh skins of the world goat production worth of Rs. 1,06,335 million per annum. The goat husbandry also generates about 4.2% rural employment over 500,000 remote villages. It contributes nearly 8.5% of the total GDP from livestock sector to Indian agriculture production system. So, to increase the productivity per goat, we need to improve the breed quality scientifically.

10.1 Disinfection
Disinfection is the destruction of disease carrying germs. Proper disinfection is one of the key factors in determining the success of sericulture and also essential in prevention and control of silkworm disease. The disease caused by virus, bacteria, fungi and protozoa are known to occur in almost all the silkworm rearing areas of the world. The disease, together with the damage caused by the pest, accounts for 20 to 25% of crop loss.
10.2 Qualities of an Ideal Disinfectant
• It should be highly effective against wide variety of microorganism and non-toxic for animals and plants.
• It should be non-injurious and non-staining to materials like fabrics, furniture or metal wares and non-offensive to odours and taste.
• It should be specific for specific microorganisms.
• It should have good surface tension. That is good wetting and penetrating properties.
• It should be stable in storage.
• It should be readily available in market and non-expensive.
• It should be easily applied under household or other practical conditions of use.