Linkage Disequilibrium, Haplotype Block Structures, Effective Population Size and Genome-Wide Signatures of Selection of Two Conservation Herds of the South African Nguni Cattle.

ABSTRACT: The Nguni cattle of South Africa are a Sanga breed, characterized by many eco-types and research populations that have been established in an effort to conserve the diversity within the breed. The aim of this study was to investigate the overall genetic diversity as well as similarities and differences within and between two conservation herds of the South African Nguni Cattle. Mean LD (r²) estimates were 0.413 ± 0.219 for Bartlow Combine and 0.402 ± 0.209 for Kokstad. Genome-wide average LD (r²) decreased with increasing genetic marker distance for both populations from an average of 0.76 ± 0.28 and 0.77 ± 0.27 at 0-1 kb bin to 0.31 ± 0.13 and 0.32 ± 0.13 at 900-1000 kb bin in Bartlow Combine and Kokstad populations, respectively. Variation in LD levels

SUBMITTER: Dlamini NM 

PROVIDER: S-EPMC9405234 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature