Application of carp pituitary and Nerestin in artificial reproduction of species of the family Cyprinidae
Abilov B. Nikolova L. Isbekov K. Kulmanova G.
2022Agricultural Academy, Bulgaria
Bulgarian Journal of Agricultural Science
2022#28129 - 138 pp.
Some reproductive characteristics after application of carp pituitary and Nerestin in artificial reproduction of common carp, grass carp and silver carp from local populations in Kazakhstan were studied. Application of Nerestin-6 showed relatively low efficacy in all the studied fish species. Fecundity and egg hatchability of common carp, grass carp and silver carp were 73.2% and 32.5%; 72.5% and 43.2%; 75.3% and 41.2%, respectively. Nerestin-1B proved to be the most efficient in herbivorous fish. When used in grass carp and silver carp, egg fecundity and the percentage of hatched prelarvae was 92.5% and 53.0%; 88% and 50.2%, respectively. In common carp, the best results were obtained after the application of pituitary extract. Fecundity and hatchability of the eggs reached 92.5% and 54.5%, respectively.
artificial propagation , carp , egg fertility , fecundity , grass carp , prelarvae , silver carp
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Kazakh National Agrarian University, Almaty, Kazakhstan
Scientific and Production Center of Fisheries LLC, Almaty, Kazakhstan
Agricultural University, Department of Animal Science, Plovdiv, 4000, Bulgaria
Kazakh National Agrarian University
Scientific and Production Center of Fisheries LLC
Agricultural University
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