ArticleJournal of animal science and technology2025
Analysis of runs of homozygosity in Yeonsan Ogye chickens using 600K single nucleotide polymorphism arrays.
Article in Journal of animal science and technology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Genomic Analysis of the Columbian Plumage Pattern in Various Chicken Breeds.Animals : an open access journal from MDPI · 2026Article
- Genome-wide analysis of inbreeding patterns and candidate genes for adaptation in indigenous chickens of Botswana.Poultry science · 2026Article
- Whole-genome resequencing revealed genetic structure and specific breed identification loci of Ningxia Jingyuan chicken breed (Gallus gallus).BMC genomics · 2025Article
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7 authors.
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Abstract
Runs of homozygosity (ROHs) are caused by identical haplotypes inherited from ancestors. ROHs provide useful information regarding the inbreeding rate, demographics, and selection history. The Yeonsan Ogye (YO) breed is an indigenous chicken in Korea that is characterized by a completely black body. In this study, we investigated ROH in the YO genome to determine ROH-based inbreeding coefficients and their correlations with other inbreeding estimators, then analyzed their genetic characteristics. Using 600K single nucleotide polymorphism (SNP) chip information for 189 chickens, we found 20,339 ROHs in the YO population. The average number of ROHs was 107, the total average ROH length was 165 Mb, and the average ROH length was 1.542 Mb. Most ROHs were short (< 8 Mb), suggesting a past population bottleneck. The average inbreeding coefficient (
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