Genetic Variation and Composition of Two Commercial Estonian Dairy Cattle Breeds Assessed by SNP Data.

ABSTRACT: The aims of this study were to assess the genomic relatedness of Estonian and selected European dairy cattle breeds and to examine the within-breed diversity of two Estonian dairy breeds using genome-wide SNP data. This study was based on a genotyped heifer population of the Estonian Red (ER) and Estonian Holstein (EH) breeds, including about 10% of all female cattle born in 2017-2020 (sample sizes n = 215 and n = 2265, respectively). The within-breed variation study focused on the level of inbreeding using the ROH-based inbreeding coefficient. The genomic relatedness analyses were carried out among two Estonian and nine European breeds from the WIDDE database. Admixture analysis revealed the heterogeneity of ER cattle with a mixed pattern showing several ancestral population

SUBMITTER: Varv S 

PROVIDER: S-EPMC11010984 | biostudies-literature | 2024 Apr

REPOSITORIES: biostudies-literature