Breeding and genetic work with Ropsha carp and dynamics of its ontogenesis
https://doi.org/10.31043/2410-2733-2019-3-36-40
Abstract
In the article the comparative analysis was done on the ontogeny of three genotypes of Ropsha carp having different origin and their phenotypic features, at different ages. This fish species is not well adapted to North-Western regions of the country that is why breeding work aimed at generation of new breeding forms suitable for aquaculture is of great importance. Biometric processing of primary accounting data was performed. Indicators of live weight, measurements, calculated ratios length, thickness, fatness were analyzed. The high variability of ontogenesis in yearlings was identified. Over time the second and third years of the three genotypes became more balanced. Individuals of return genotype in the third year have a maximum live weight. Representatives of BB cuttings in the first year of life were much superior to individuals of other strains in growth, size, but in the future their growth is slowing down. It is known that genotype BB was generated by crossing with another variety of carp, the fact that might explain accelerated growth of this fish. Cuttings from reciprocating interlined in the first year of life showed minimal results, in the future, the pace of growth increases, and in the third year of life, they did not stand out much in size and weight. The genetic characteristics of the representatives of the BB cuttings obviously affect the increase in body mass when compared with other genotypes. The VM layering (reciprocal-interlinear) in the first year of life shows minimal results, in the future the growth rate increases, and in the third year of life they are not very distinguished by size and weight.
About the Authors
Yu. Scherbakov
Russian Research Institute of Farm Animal Genetics and Breeding — Branch of the L.K. Ernst Federal Science Center for Animal Husbandry
Russian Federation
Russian Federation
Post graduate student at the Laboratory of Molecular Genetics
196601, St. Petersburg, Pushkin, Russia, Tyarlevo, Moscovskoe sh. 55a
V. Terletskiy
Russian Research Institute of Farm Animal Genetics and Breeding — Branch of the L.K. Ernst Federal Science Center for Animal Husbandry; Pushkin Leningrad State University
Russian Federation
Russian Federation
Dr. Habil. (Biol. Sci), researcher at the Laboratory of Molecular Genetics
196601, St. Petersburg, Pushkin, Russia, Tyarlevo, Moscovskoe sh. 55a
St. Petersburg, Peterbugskoye sh. 10
O. Nikolaeva
Federal Selection and Genetic Center for Fish Farming, branch of FGBU «Glavrybvod»
Russian Federation
Russian Federation
researcher
188514, Leningrad region, Lomonosovsky district, Ropsha village, Strelninskoye Highway, Building 4
V. Tyshchenko
Russian Research Institute of Farm Animal Genetics and Breeding — Branch of the L.K. Ernst Federal Science Center for Animal Husbandry
Russian Federation
Russian Federation
senior researcher at the Laboratory of Molecular Genetics
196601, St. Petersburg, Pushkin, Russia, Tyarlevo, Moscovskoe sh. 55a
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Review
For citations:
Scherbakov Yu., Terletskiy V., Nikolaeva O., Tyshchenko V. Breeding and genetic work with Ropsha carp and dynamics of its ontogenesis. Genetics and breeding of animals. 2019;(3):36-40. (In Russ.) https://doi.org/10.31043/2410-2733-2019-3-36-40
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