ANALYSIS OF GENETIC CHARACTERISTICS OF THE CHUKCHI, EVEN BREEDS AND INTRABREED TYPE “VOZROZHDENIE” OF THE FAR NORTH OF THE FAR EAST
2023
Vitomskova E.A.
The work consisted of analyzing the genetic characteristics in populations of reindeer of the Chukchi, Even breeds and the intra-breed type of the Chukchi breed “Vozrozhdenie”. The research was carried out during 2017 – 2021 in the herds of reindeer breeding enterprises “Vozrozhdenie”, “Vaezhsky” of the Chukotka Autonomous Okrug and “Irbychan” of the Magadan Region. The work used 273 samples of deer tissue. In 100% of the animals studied, intermicrosatellite DNA regions with a length of 240-330 bp are present. (locus 3), 350-430 bp. (locus 5) and 440-520 bp. (locus 6). Out of the eleven loci, seven (63.6%) are informative. The homozygosity parameters in the Vaezhskaya populations are significantly lower – 0.108, than in the Vozrozhdenie and Irbychan populations – 0.132 and 0.118, respectively. High heterozygosity (0.882) of the Irbychan population was noted. The practical significance of the work being carried out is the monitoring of the DNA gene bank as a promising material for breeding purposes and for the conservation of reindeer biodiversity.
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