The process of forming a genealogical structure in the Vyatka breed makes it relevant to assess its differentiation at the genetic level. As a result of testing 293 Vyatka horses at 17 DNA microsatellite loci, 136 alleles were identified (Ae = 4.11. Ho = 0.726) and the genetic differentiation of ten lines was assessed for a number of indicators, including the fixation index Fst (0.011–0.134). Sequencing of the mtDNA D-loop region (530 bp) showed the presence of 11 haplogroups with a high level of haplotype variability in family lines. The high level of genetic differentiation of the genealogical structure of the Vyatka horse breed is a prerequisite for successful work to preserve this unique small population.
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Храброва et al. (2022) studied this question.
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