ArticleJournal of animal science and technology2026
Meta-analysis with batch-effect adjustment reveals breed-specific ruminal microbiome variation of beef cattle and its implications for meat quality and productivity.
Article in Journal of animal science and technology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Various beef cattle breeds are raised in different countries. Hanwoo and Wagyu breeds are primarily raised in Korea and Japan, respectively, whereas Angus breed is one of the most widely bred beef cattle breed worldwide. Although microbiome studies have been conducted for each breed, comparative analyses of the ruminal microbiome and their functions across breeds remain limited. Moreover, the potential links between the ruminal microbiome and animal traits related to meat quality and productivity have not been studied. Based on 13 studies comprising 954 samples (Hanwoo: 384, Angus: 246, Wagyu: 324) with the application of an optimal batch-effect adjustment tool, this meta-analysis aimed to compare the ruminal microbiome across Hanwoo, Angus, and Wagyu and explore potential associations between breed-specific microbiome profiles and key phenotypic traits, such as meat quality and production performance. The overall microbial composition at the phylum, genus, and Kyoto Encyclopedia of Genes and Genomes (KEGG) ortholog levels was effectively adjusted batch-effect using the selected adjustment tool (ConQuR). Subsequent analyses were conducted using batch-effect adjusted microbiome data to investigate the breed-specific differences. Cellulolytic bacteria such as
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