ARS  Syllubus (fish and fishery science)

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Section 1: Capture Fisheries Fisheries potential of important species/groups of aquatic organisms {fishes, crustaceans:molluscs, echinoderms, seaweeds etc.) in freshwater, brackishwater and marine sectors. Capture fisheries resources in important hill streams, rivers, reservoirs, lakes, lagoons. estuaries and seas of India. Ecology of inland and marine waters. Meteorology in relation to fisheries: Physical and chemical oceanography and limnology in relation to capture fisheries. Management and conservation of  inland fisheries resources, fisheries legislation Section 2: Aquaculture History, scope and importance of aquaculture. Aquaculture practices in different part of the world. Cultivable organisms for aquaculture and criteria for their selection. Different systems of aquaculture such as pond culture, cage culture, pen culture, aquaranching etc. Impact of aquaculture on environment. Hatchery  and grow out practices: for cultivable species of freshwater fishes ( trouts, mahaser, carps. catfishes, snakeheads -etc. ), prawns ( giant freshwater prawn, river prawn ).Integrated aquaculture . Pearl culture. Frog culture. Hatchery and grow out practices for culture of brackishwater fishes ( milkfish, mullets. pearlspot, .seabars ), prawns ( tiger prawn, white prawn, banana prawn etc.) and mud crabs. Present status of sea farming  in India. Culture of molluscs ( clams, oysters and mussels ), echinoderms (sea cucumber) and sea-weeds. Section 3: Aquaculture Engineering Site survey techniques. Principles of engine ring design for aqua farms and hatcheries. Source of water supply and retentivity. Water/soil quality and Nutrient status. Rehabilitation of problem soils. seepage control, prevention of soil erosion etc. Important equipments and machineries of aqua farms and hatcheries such as pumps, air compressors, , blowers, aerators, biofilters, windmills, deweeders etc. . Section 4 Genetic engineering and biotechnology ..Principles of fish genetics. Division of fish genetics-cytogenetics, .biochemical genetics. quantitative genetics and population genetic'). Fish stock improvement through selective hybridization. Androgenesis and gynogenesis. Po1yploidy. Sex reversal and sterility. Transgenesis. Cryopreservation of gametes and embryos. Section 5: Nutrition and Feed Formulation :Digestive physiology offish and prawn Sources of nutrients for fishes I and prawns. Nutrient requirements for various life-history stages of fishes and prawns. Effect of malnutrition. Deficiency diseases. Concept of feed , efficiency and principles of feed formulation. Use of unconventional  feed as ! a source of nutrients Section 6: Diseases and their Control. Symptoms of different diseases and their aetiology in finfishes and shellfishes. Prophylactic measures, control and therapeutics. Life history of important pathogens. Disease of epidemic proportion: Finfish and shellfish  in relation to public health. Section 7: Fisheries Technology r Present status and scope of fishing technology in India. Gear materials .I different types of gears, their maintenance and operation. Fishing craft materials, different types of crafts and {heir maintenance. Economics of fishing operations. Proximate composition of fish. Principles and -methodology of fish handling. Fresh fish spoilage and methods of  preservation and processing. Modern transportation systems. . Section 8: Economics, Statistics and Marketing Principles of economics as applied to aqua product, .Law of demand, 1 and supply. Consumer surplus. Law of returns. Exchange. Market and prices..International trade. Export promotion. Foreign exchange regulations. Existing .systems of fish marketing. Use of modern marketing and transportation for aqua products. Role of co-operatives in marketing. Advertising and modern .selling methods. Definitions and scope of fisheries statistics. Collection and .tabulation  of data. Frequency distribution. Graphical and diagrammatic  depiction of data. Basic experimental designs. Section 9: Extension History of fisheries extension in India. Concept, philosophy and principles of fisheries extension. Different extension techniques. Transfer of technology. Extension communication. National and International organizations.institutions and agencies involved in fisheries extension.