Kosyan DB, Surundayeva LG, Rusakova EA.
Research was carried out according the plan of research scientific works on 2019-2021 yy. FSBSI FRC BST RAS (No 0761-2019-0009)Interconnection of BGH gene polymorphism and lipid metabolism indices of the Hereford cattle
Dianna B Kosyan, Lyubov G Surundayeva, Elena A Rusakova
Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences (Orenburg, Russia)
Summary. The analysis of the relationship of bGH gene polymorphism with lipid metabolism indices and the estimation of the frequency of bGH gene occurrence in Hereford bulls was carried out. Analysis of genotype distribution showed that 12,2% of individuals have a desirable bGHGG genotype, a heterozygous state is characteristic of bGHGC 33.3%, and bGHCC is characteristic – of 54,5%. The gene balance in the population was not disturbed. It was noted that the content of saturated fatty acids in the samples differs depending on the genotype. In the control group, palmitic acid content prevails by 4,2% in comparison with the group of meat samples with heterozygous manifestation of the trait, and by 7,6% in animal meat samples with the desired genotype. In animal meat samples with the bGHGG genotype, which is desirable, stearic acid content prevails by 12,9% compared to animal meat samples with bGHGC genotypes and 8,4% – with the bGHСС genotype. When evaluating monounsaturated fatty acids (MNFА), it was noted that meat samples of animals with the desired genotype differ in the content of oleic acid.
It is established that testing of alleles of the bGH gene gene is of interest for taking into account the genetic potential of animals in several parameters of meat productivity, namely: growth rate, large carcass weight, meat yield, marbling of meat.
Key words: gobies,Hereford breed, bullhead, polymorphism, bGH gene, lipid metabolism, fatty acid composition.
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Kosyan Dianna Bagdasarovna, Cand. Sci. (Biol.), Leading Researcher, Laboratory for Breeding and Genetic Research in Animal Husbandry, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460000, Orenburg, Russia, 29, 9 Yanvarya St., tel.: 8(3532)30-81-77, e-mail: email@example.com
Surundayeva Lyubov Gennadyevna, Cand. Sci. (Agr.), Associate Professor, Head of the Laboratory of Genetic Examination and Books of Breeding Animals, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460000, Orenburg, Russia, 29, 9 Yanvarya St., tel: 8(3532)30-81-72, e-mail: firstname.lastname@example.org
Rusakova Elena Anatolyevna, Cand. Sci. (Biol.), Senior Researcher, Laboratory for Breeding and Genetic Research in Animal Husbandry, Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460000, Orenburg, Russia, 29, 9 Yanvarya St., e-mail: email@example.com
Received: 14 November 2019; Accepted: 16 December 2019;Published: 31 December 2019