Abstract
The Bulgarian Grey Cattle (BGC) and Shorthorn Rhodopean Cattle (SRC) are indigenous breeds from the Balkan Peninsula region. The Balkans, as part of Southeast Europe, is a crucial civilization crossroad of cultures, people, and livestock. This region is considered the civilization cradle of prehistoric times (around 6500 BC). The aim of the present study is to reveal the genetic profile and population structure of BGC and SRC according to displacement loop control region. The results showed that these ancient cattle breeds belong to the common T1, T2, and T3 haplogroups. Within the BGC population the T3a sub-haplogroup was predominant (about 80% - 31/39) with haplotypes BGC-4.1 (33% - 13/39) and BGC-4.2 (about 40% - 16/39). Mitochondrial DNA analysis of SRC population showed a heterogeneous structure consisting of five basic haplo- and sub-hap - logroups, all based on twelve haplotypes with equal frequencies. Based on 173G polymorphic site newly named sub-haplogroup T3c was proposed. A detailed comparative analysis with other Balkan cattle populations was performed. Data showed multiple haplotype mtDNA profile with no phylogenetic relationships within.
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