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Wang Y, Wang Z, Liu W, Xie S, Ren X, Yan L, Liang D, Gao T, Fu T, Zhang Z, Huang H. Genetic Background of Blood β-Hydroxybutyrate Acid Concentrations in Early-Lactating Holstein Dairy Cows Based on Genome-Wide Association Analyses. Genes (Basel) 2024; 15:412. [PMID: 38674346 PMCID: PMC11049649 DOI: 10.3390/genes15040412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 03/22/2024] [Accepted: 03/24/2024] [Indexed: 04/28/2024] Open
Abstract
Ketosis is a common metabolic disorder in the early lactation of dairy cows. It is typically diagnosed by measuring the concentration of β-hydroxybutyrate (BHB) in the blood. This study aimed to estimate the genetic parameters of blood BHB and conducted a genome-wide association study (GWAS) based on the estimated breeding value. Phenotypic data were collected from December 2019 to August 2023, comprising blood BHB concentrations in 45,617 Holstein cows during the three weeks post-calving across seven dairy farms. Genotypic data were obtained using the Neogen Geneseek Genomic Profiler (GGP) Bovine 100 K SNP Chip and GGP Bovine SNP50 v3 (Illumina Inc., San Diego, CA, USA) for genotyping. The estimated heritability and repeatability values for blood BHB levels were 0.167 and 0.175, respectively. The GWAS result detected a total of ten genome-wide significant associations with blood BHB. Significant SNPs were distributed in Bos taurus autosomes (BTA) 2, 6, 9, 11, 13, and 23, with 48 annotated candidate genes. These potential genes included those associated with insulin regulation, such as INSIG2, and those linked to fatty acid metabolism, such as HADHB, HADHA, and PANK2. Enrichment analysis of the candidate genes for blood BHB revealed the molecular functions and biological processes involved in fatty acid and lipid metabolism in dairy cattle. The identification of novel genomic regions in this study contributes to the characterization of key genes and pathways that elucidate susceptibility to ketosis in dairy cattle.
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Affiliation(s)
- Yueqiang Wang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China; (Z.W.); (W.L.); (S.X.); (Y.W.); (D.L.); (T.G.); (T.F.)
- College of Animal Science, Anhui Science and Technology University, Fengyang 233100, China
- Henan International Joint Laboratory of Nutrition Regulation and Ecological Raising of Domestic Animal, Zhengzhou 450046, China
| | - Zhenyu Wang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China; (Z.W.); (W.L.); (S.X.); (Y.W.); (D.L.); (T.G.); (T.F.)
- Henan International Joint Laboratory of Nutrition Regulation and Ecological Raising of Domestic Animal, Zhengzhou 450046, China
| | - Wenhui Liu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China; (Z.W.); (W.L.); (S.X.); (Y.W.); (D.L.); (T.G.); (T.F.)
- Henan International Joint Laboratory of Nutrition Regulation and Ecological Raising of Domestic Animal, Zhengzhou 450046, China
| | - Shuoqi Xie
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China; (Z.W.); (W.L.); (S.X.); (Y.W.); (D.L.); (T.G.); (T.F.)
- Henan International Joint Laboratory of Nutrition Regulation and Ecological Raising of Domestic Animal, Zhengzhou 450046, China
| | - Xiaoli Ren
- Henan Dairy Herd Improvement Center, Zhengzhou 450046, China; (X.R.); (L.Y.)
| | - Lei Yan
- Henan Dairy Herd Improvement Center, Zhengzhou 450046, China; (X.R.); (L.Y.)
| | - Dong Liang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China; (Z.W.); (W.L.); (S.X.); (Y.W.); (D.L.); (T.G.); (T.F.)
- Henan International Joint Laboratory of Nutrition Regulation and Ecological Raising of Domestic Animal, Zhengzhou 450046, China
| | - Tengyun Gao
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China; (Z.W.); (W.L.); (S.X.); (Y.W.); (D.L.); (T.G.); (T.F.)
- Henan International Joint Laboratory of Nutrition Regulation and Ecological Raising of Domestic Animal, Zhengzhou 450046, China
| | - Tong Fu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China; (Z.W.); (W.L.); (S.X.); (Y.W.); (D.L.); (T.G.); (T.F.)
- Henan International Joint Laboratory of Nutrition Regulation and Ecological Raising of Domestic Animal, Zhengzhou 450046, China
| | - Zhen Zhang
- Henan Dairy Herd Improvement Center, Zhengzhou 450046, China; (X.R.); (L.Y.)
| | - Hetian Huang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China; (Z.W.); (W.L.); (S.X.); (Y.W.); (D.L.); (T.G.); (T.F.)
- Henan International Joint Laboratory of Nutrition Regulation and Ecological Raising of Domestic Animal, Zhengzhou 450046, China
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