Fandus A Sagitdinov, Oksana I Leshonok, Inga V Tkachenko

DOI: 10.33284/2658-3135-104-3-176

UDC 636.082:575.174:591.11(470.54)

The features of the genetic structure formation of blood groups during animals metagenesis

 Fandus A Sagitdinov, Oksana I Leshonok, Inga V Tkachenko

Ural Federal Agrarian Research Centre of Ural Branch of the Russian Academy of Sciences (Yekaterinburg Russia)

 Abstract. The assessment of the genetic structure in the process of animals metagenesis is carried out in two breeding enterprises of the Sverdlovsk region for the development of Holstein black-and-white cattle. The spectrum and frequency of occurrence of B-alleles of blood groups in the maternal and daughter generations were studied with an interval of 5 years. The number of identified alleles of the ЕАB-system of blood groups ranges from 27 to 43. The spectrum of identified alleles in generations, both in the initial state and after the renewal of the herd, is subject to changes. The most common allele is G2Y2E'1Q 'with a frequency of 0.1197-0.2989. Effective alleles with a frequency of more than 5.0% are represented by phenogroups B2O1B', I2. Allele G'', which was widespread in the initial survey of herds, after 5 years has lost its dominance. It was found that from 50 to 80% of the dominant alleles of the maternal herd participate in the formation of the allele pool of daughter generations. The level of homozygosity for the B-system of blood groups varies in the range of 5.1-14.4%.

Keywords: cattle, black and white breed, selection, immunogenetic method, blood type, allele, genetic structure, occurrence, generation.

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Sagitdinov Fandus Akhiyarovich, Cand. Sci. (Agr.), Leading Researcher, Ural Federal Agrarian Research Centre of Ural Branch of the Russian Academy of Sciences (FGBNU UrFANITS UB RAS), 620021, Yekaterinburg, Russia, Main St., 21, tel.: 8(343)2527281

Leshonok Oksana Ivanovna, Cand. Sci. (Agr.), Leading Researcher, Ural Federal Agrarian Research Centre of Ural Branch of the Russian Academy of Sciences (FGBNU UrFANITS UB RAS), 620021, Yekaterinburg, Russia, Main St., 21, tel.: 8(343)2527281

Tkachenko Inga Vladimirovna, Cand. Sci. (Agr.), Leading Researcher, Ural Federal Agrarian Research Centre of Ural Branch of the Russian Academy of Sciences (FGBNU UrFANITS UB RAS), 620021, Yekaterinburg, Russia, Main St., 21, tel.: 8(343)2527281, e-mail: tkachenko_uniish@mail.ru

 Received: 4 August 2021; Accepted: 13 September 2021; Published: 30 September 2021

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