ArticleJournal of animal breeding and genetics = Zeitschrift fur Tierzuchtung und Zuchtungsbiologie2021
Small SNP panels for breed proportion estimation in Indian crossbred dairy cattle.
Article in Journal of animal breeding and genetics = Zeitschrift fur Tierzuchtung und Zuchtungsbiologie, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- RASEL: An Ensemble Model for Selection of Core SNPs and Its Application for Identification and Classification of Cattle Breeds.Biochemical genetics · 2026Article
- Genomic insights into the admixture and diversity of Kerala crossbred cattle.Scientific reports · 2026Article
- Elucidation of population stratifying markers and selective sweeps in crossbred Landlly pig population using genome-wide SNP data.Mammalian genome : official journal of the International Mammalian Genome Society · 2024Article
- Small SNP panels for breed proportion estimation in Indian crossbred dairy cattle.Journal of animal breeding and genetics = Zeitschrift fur Tierzuchtung und Zuchtungsbiologie · 2021Article
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Authors and funding
3 authors.
Funding
Abstract
Reliably identifying breed proportions in crossbred cattle in smallholder farms is a crucial step to improve mating decisions and optimizing management in these systems. High-density genotype information is able to estimate higher-order breed proportions accurately, but, are too expensive for mass application in smallholder systems. We used high-density genotype information (777 k SNPs) of 623 crossbred cattle from India that had Holstein-Friesian (HFX) and/or Jersey and indigenous breeds in their ancestry to select a smaller number of SNPs for breed proportion estimation. The accuracy of estimates obtained from panels with 100-500 SNP was compared to estimates based on all SNPs. Panels were selected for highest absolute allele frequency difference between exotic dairy versus indigenous Bos indicus, or between HFX versus Jersey breeds. A step-wise pruning approach was developed showing that and increased physical distances between markers of 8.5 Mb improved breed proportion estimation compared to a standard 1 Mb distance. A panel of 500 SNPs optimized to estimate HFX versus Jersey versus indicine ancestry was able to estimate indicine breed proportions with r
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