Technologies for breeding and seed production of finfishes and shellfishes is an effort to popularize species diversification in fish farming. Induced breeding with pituitary gland extraction form fish. Finally, the incubation period and hatching rates in different fish species varied from 10 to 70 hours and 55 to 85% respectively. Usually small fishes, less than 20 cm long, are kept in aquariums and prized for their beauty and rarity is called ornamental fish. Healthy male and female breeders should be identified and netted out before the breeding season and should be kept in spawning pools. Evaluation of reproductive indices and growth of normal. Hormonal control of reproduction in fish for induced spawning.
Fao commission on genetic resources for food and agriculture, fishcode. Induced breeding, embryonic and larval development of comet. Traditional aquaculture spe cies such as trout, catfish, common carp, golden shiner. Induced breeding is a technique by which ripe fish breed in confined water when stimulated by an agent. Medium sized fully ripe and healthy fish of around 2 to 4 years of age is preferred for induced breeding.
The fish production from inland water which are essentially culture fisheries and are less capital intensive have growth rate at present when compared to marine fisheries which are essentially capture and are capital intensive have relatively slow growth rate. Environmental factors that have the internal mechanism that regubeen shown to play a significant lates the process of reproduction role in the reproductive cycle are. The task facing the fish breeder is to determine the amount and type of genetic control over the albino catfish performance to implement a system of breeding and selection to improve production efficiency. The hormones that induce breeding are gonadotropins. The stimulation promotes timely release ofthe stimulation promotes timely release of sperms and eggs from ripe gonads. India fish farmers are being educated on artificial culturing practices by several agencies, including the national bank for agriculture and. To ensure a yearround, rather than a seasonal, supply of seed, fish breeders have developed techniques of induced spawning that, if efficiently controlled. Introductionintroduction induced breeding is a technique where byinduced breeding is a technique where by ripe fish breeders are stimulated by pituitaryripe fish breeders are stimulated by pituitary hormone or other synthetic hormonehormone or other synthetic hormone introduced to breed in captive troduced to breed in captive condition. Induced breeding is a technique where organism is stimulated by particular hormone or other synthetic hormone or by providing condition, introduced to breed in slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.