Temperament

Bovine dopamine receptors DRD1, DRD4, and DRD5: genetic polymorphisms and diversities among ten cattle breeds

A. M. Sifuentes-Rincón, Trejo-Tapia, A. G., Randel, R. D., Ambriz-Morales, P., Parra-Bracamonte, G. M., Sifuentes-Rincón, A. M., Trejo-Tapia, A. G., Randel, R. D., Ambriz-Morales, P., and Parra-Bracamonte, G. M., Bovine dopamine receptors DRD1, DRD4, and DRD5: genetic polymorphisms and diversities among ten cattle breeds, vol. 15, p. -, 2016.

The aim of this study was to analyze the allelic frequency distribution and segregation among breeds and/or between different cattle genetic groups of four novel single nucleotide polymorphisms of the bovine DRD1 and DRD5 genes and one reported SNP from the DRD4 gene. One hundred and nine-animals from ten different cattle breeds were genotyped and allelic frequencies for each locus were estimated. There were significant differences in the allelic frequencies (P G and DRD5-378C>T were also significantly different between groups differing in genetic background.

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