Genome wide locus-specific ancestry analysis revealed adaptive admixtures in crossbred cattle of India.

ABSTRACT: Crossbreeding in India has been widely adopted to address low sustainability and poor productivity in non-descript cattle. This study analyzed Vrindavani (VRI) crossbred cattle and their parental populations (Holstein Friesian (HOL), Jersey (JER), Brown Swiss (BSW), Hariana (HAR) using SNP data to characterize locus-specific ancestry in VRI's genome along with admixture proportions and population stratification. Admixture analysis showed VRI have 67.3% HOL, 20.1% HAR, 8.5% JER, and 4% BSW ancestry. Locus-specific ancestry estimation identified regions with adaptive admixtures, which can be defined as admixed genomic regions favored by evolutionary forces and increased their frequencies, revealed 79.7% Bos taurus and 20.3% Bos indicus ancestry. Notably, regions on chromosome (chr) 2, 3, 4,

SUBMITTER: Goli RC 

PROVIDER: S-EPMC12084602 | biostudies-literature | 2025 May

REPOSITORIES: biostudies-literature