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COs | Course outcome | Mapping COs with POs |
CO-1 | Understands the basics of aquaculture, definition, scope and its history, present global and national scenario. | PO1, PO5 |
CO-2 | Identify the different systems of aquaculture in different types of water bodies | PO1, PO2, PO5 |
CO-3 | Demonstrate the pre-stocking and post stocking pond management preparation steps | PO1, PO2 |
CO-4 | Major candidate species for aquaculture and criteria for selection of candidate species for aquaculture | PO1, PO2, PO5 |
CO-5 | Understand the water and soil quality in relation to fish production and physical, chemical and biological factors affecting productivity of ponds | PO1, PO2, PO4, PO5 |
PO1: Knowledge enhancement
PO2:Professional and Entrepreneurial Skill development
PO4: Problem Solving
PO5: Environment and Sustainability
Theory
Freshwater and marine fish seed resources. Natural breeding of finfishes. Selection of riverine spawn collection sites, gears used and methods of collection. Spawn quality and quantity indices. Advantages and disadvantages of riverine seed collection. Sexual maturity and breeding season of various cultivable species. Development of gametes in male and female. Fish egg and embryonic development. Methods of breeding; bundh breeding - wet and dry bundhs, collection and hatching of eggs, factors involved in bundh breeding, advantages and disadvantages of bundh breeding. Induced breeding of warmwater finfishes, environmental factors affecting spawning, sympathetic breeding. Hypophysation of fishes. Fish pituitary gland – its structure, collection, preservation and preparation of extract for injection, dosages and methods of injection. Brood-stock management and transportation of brood fish. Synthetic hormones used for induced breeding of carps. Different types of fish hatcheries-traditional, Chinese, glass jar and modern controlled hatcheries. Causes of mortalities of eggs and spawn and remedies. Spawn rearing techniques. Use of anesthetics in fish breeding and transport. Breeding techniques for Indian major carps, exotic carps, mahaseers, trouts, tilapias, catfishes, grey-mullets, milk fish, pearl spot, sea bass, sea hourse, groupers, pacu, cobia,
pompanos and indigenous fishes, etc. Off-season andmultiple breeding of carps. Reproductive Biology of IMC, Development, maturation and maintainance of gonads, anatomy of gonads, developmental stages, endocrine control of reproduction, cryopreservation of fish gametes.
Practicals
Study of maturity stages in fishes. Collection and preservation of fish pituitary gland, preparation of PG extract, Hypophysation. Calculation of fecundity. Brood-stock maintenance and selection of breeders for injection. Histological studies of ovary and testes. Different fish hatchery systems, study of fish eggs and embryonic developmental stages. Identification of eggs, spawn, fry and fingerlings of different species. Preparation and management of fish nursery. Fish seed and broodstock transportation, use of anesthetics, disinfectants and antibiotics in fish breeding. Water quality monitoring in fish hatcheries and nurseries. Breeding and larval rearing of common finfishes.
Suggested Readings
1. Breeding and Seed Production of Finfish and Shellfish- P.C. Thomas
2. Aquaculture: Principles and Practices - T.V.R.Pillay
3.Freshwater Aquaculture - R.K.Rath
4.Handbook of Fisheries and Aquaculture - ICAR publication
Session Plan
Aquaculture – Basics and Scope
Unit 2 History of Aquaculture
Unit 3 Different systems of Aquaculture
Unit 4 Principles of organic aquaculture
Unit 5 Site selection and construction of fish farm
Unit 6 Pre-stocking_management_practices
Unit 7 Post stocking management
Unit 8 Selection of candidate fish species for Aquaculture
Unit 8 Selection of candidate species for Aquaculture
Selection of candidate fish species for Aquaculture Video Link
Unit 9 Soil and water quality parameters in aquaculture
Unit 10 Physical, chemical and biological factors affecting productivity of ponds
Unit 11 Fish Nutrition and Feed Management
Unit 12 Fish Health Management
Unit 13 Aquaculture Economics
Dr. K. S. Krishna Prasad is Ph.D. in fisheries working as Dean, School of Fisheries, Centurion University of Management and Technology. Earlier to this he has retired as Professor and University Head, Sri Venkateshwara Veterinary University,Tirupati. He has worked in all the major wings of university namely teaching,research and extension equally spanning over 34 years […]