Finfish Breeding and Hatchery Management

Course Outline

Finfish Breeding and Hatchery Management 3( 2+1)

Dr N. Basavaraja

Theory (29 lectures)

Unit 1

1. Freshwater and marine fish seed resources and natural breeding of finfishes.
2. Riverine fish seed collection
   

Unit 2

1. Sexual maturity, breeding season and development of gonads

Unit 3

1. Methods of breeding carps in bundhs
2. Induced breeding of warm water finfishes and environmental factors affecting spawning
3. Fish pituitary gland
4. Synthetic hormones for induced breeding of fishes
5. Fish brood stock management and transportation of broodfish
6. Induced breeding of Indian major carps
7. Induced breeding of exotic carps (silver carp and grass carp)
8. Major carp egg and embryonic developmental stages
9. Causes of mortality of fish eggs and spawn and their treatment

Unit 4

1. Different types of fish hatcheries – traditional double-walled hapa
2. Different types of fish hatcheries – Chinese type of carp hatchery
3. Different types of fish hatcheries – glass jar hatchery

Unit 5

1. Spawn rearing techniques – nursery pond
2. Spawn rearing techniques – rearing pond
3. Packing and transportation of fish seed and use of anaesthetics and disinfectants in fish breeding and transport.

Unit 6

1. Breeding of common carp (Cyprinus carpio)

Unit 7

1. Breeding of mahseers

Unit 8

1. Breeding of trouts

Unit 9

1. Breeding of tilapia

Unit 10

1. Breeding of catfishes

Unit 11

1. Breeding of grey-mullet, Mugil cephalus

Unit 12

1. Breeding of milk fish, Chanos chanos

Unit 13

1. Breeding of Asian sea bass, Lates calcarifer

Unit 14

1. Breeding of groupers

Unit 15

1. Breeding of indigenous carps

Unit 16

1. Multiple breeding of carps

Unit 17

1. Cryopreservation of fish gametes

Practicals (18)

1.Collection and preservation of fish pituitary gland and preparation of pituitary extract for hypophysation

2. Calculation of fecundity of fishes

3. Brood stock maintenance and selection of brooders for injection

4. Double-walled hapa and glass jar hatchery

5. Chinese type of carp hatchery

6. Preparation and management of fish nursery

7. Maturity stages of carps

8. Histology of fish ovary and testis

9. Indian major carp egg and embryonic development

10. Common carp egg and embryonic development

11. Identification of eggs, spawn, fry and fingerlings of different species

12. Fish seed and broodfish transportation

13. Use of anaesthetics, disinfectants and antibiotics in fish breeding

14. Water quality monitoring in fish hatcheries and nurseries

15. Breeding and larval rearing of major carps

16. Breeding and larval rearing of common carp and tilapia

17. Breeding and larval rearing of indigenous fishes

18. Cryopreservation of fish gametes