Nadezhda V Chimidova, Lyudmila G Moiseykina, Altana V Ubushieva, Olga V Kalugina, Aisa B Avsheeva

 DOI: 10.33284/2658-3135-103-4-65

UDC 636.082:591.11:576.8.097.2 (470.68)

Changes in the gene pool of the Kalmyk cattle

Nadezhda V Chimidova, Lyudmila G Moiseykina, Altana V Ubushieva, Olga V Kalugina,

Aisa B Avsheeva

Kalmyk State University named after Gorodovikovа BB. (Republic of Kalmykia, Elista, Russia)

Summary. 25 breeding farms are currently engaged in the modernization of breeding and productive qualities of the Kalmyk cattle in the Republic of Kalmykia.

The purpose of this study was to compare the genetic polymorphism of the Kalmyk cattle blood groups in 2009-2010 and 2019-2020 in breeding farms and to analyze two multiplication farms of the Republic of Kalmykia. In this regard, the monitoring of changes in the frequency of occurrence of allelic variants of blood antigens of the Kalmyk cattle in the breeding farms of the republic was carried out.

Immunogenetic testing of animals was carried out according to standard methods (Neimann-Sorensen) with the use of reagents - monospecific sera produced at JSC "Moskovskoye" for breeding work and JSC "Samarskoye" for breeding work.

The analysis of the blood group polymorphism of Kalmyk cattle during the study period showed that the allele pool contains antigens with a constant high frequency of occurrence, such as A1, A2, D ', W, V and Z, while G2, I', C2 remain low.

In the breeding farms of the republic, there is an increase in the frequency of occurrence of the following antigens: B2, O2, Y2, E'3, F ', O', C1, J, S1, U "and a decrease in O4, C2, X2, L '.

However, for the rest of the antigens, the frequency of occurrence has changed over 10 years.

Analysis of the data on the frequency of occurrence of antigens in two multiplication farms from 2010 to 2020 showed that antigens A1, A2, B2, O2, E'3, C1, Z have the highest frequency of occurrence. O4, I', C2, R2, L', H” antigens had the lowest frequency. Comparing the increase and decrease in the frequency of antigens between two breeding farms, there are clear differences. Therefore, monitoring of the allele pool revealed that the change in the frequencies of blood groups occurs in different ways, which indicates a different directional selection.

Key words: Kalmyk cattle, selection, blood group, monitoring, frequency of occurrence of antigens, allele, Republic of Kalmykia.

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Chimidova Nadezhda Vasilievna, Cand. Sci. (Biol.), Senior Lecturer of the Department of Animal Science, Kalmyk State University named after Gorodovikovа BB, 358000, Republic of Kalmykia, Elista, Russia, st. Pushkin, 11, tel.: 89374620111, e-mail: nadezhdatchimidova@yandex.ru

Moiseykina Lyudmila Guchaevna, Dr. Sci. (Biol.), Professor of the Department of Animal Science, Kalmyk State University named after Gorodovikovа BB, 358000, Republic of Kalmykia, Elista, Russia, st. Pushkin, 11, tel.: 89054090784, e-mail: turdumatovbm@mail.ru

Ubushieva Altana Vadimovna, lecturer at Faculty of secondary vocational education, postgraduate student, Kalmyk State University named after Gorodovikovа BB, 358000, Republic of Kalmykia, Elista, Russia, st. Pushkin, 11, tel.: 89996701448, e-mail: ameli-altanas@mail.ru

Kalugina Olga Vyacheslavovna, 4th year student of the specialty "Veterinary Medicine", Kalmyk State University named after Gorodovikovа BB, address: 358000, Republic of Kalmykia, Elista, Russia, st. Pushkin, 11, e-mail ameli-altanas@mail.ru

Avsheeva Aisa Borisovna, 2nd year student of the direction "Zootechnics" Kalmyk State University named after Gorodovikovа BB, 358000, Republic of Kalmykia, Elista, Russia, st. Pushkin, 11, e-mail: avsheeva@gmail.com

Received: 26 November 2020; Accepted: 14 December 2020; Published: 31 December 2020

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