Beef cattle; Genome; Meat quality; Molecular marker

Associations between single nucleotide polymorphisms and carcass traits in Nellore cattle using high-density panels

R. Espigolan, Baldi, F., Boligon, A. A., Souza, F. R. P., Júnior, G. A. Fernandes, Gordo, D. G. M., Venturini, G. C., de Camargo, G. M. F., Feitosa, F. L. B., Garcia, D. A., Tonhati, H., Chardulo, L. A. L., Oliveira, H. N., and Albuquerque, L. G., Associations between single nucleotide polymorphisms and carcass traits in Nellore cattle using high-density panels, vol. 14, pp. 11133-11144, 2015.

The objective of this study was to evaluate associations between single nucleotide polymorphism (SNP) markers and carcass traits measured postmortem in Nellore cattle. Records of loin eye area (LEA) and backfat thickness (BF) from 740 males and records of hot carcass weight (HCW) from 726 males were analyzed. All of the animals were genotyped using the BovineHD BeadChip. Association analyses were performed by the restricted maximum likelihood method that considered one SNP at a time. Significant SNPs were identified on chromosomes 2 and 6 for LEA and on chromosomes 7, 1, and 2 for BF.

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