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Association of BoLA-DRB3 genotype with somatic cell count in milk of Polish Holstein cattle R. Bras. Zootec.
Oprzadek,Jolanta M.; Brzozowska,Anna M.; Urtnowski,Piotr; Rutkowska,Karolina; Lukaszewicz,Marek.
ABSTRACT The objective of this study was to evaluate the suitability of the BoLA-DRB3 gene polymorphism to define the phenotypic value of somatic cell count of 808 Polish Holstein cows. The cows were fathered by 190 sires. The PCR-RFLP alleles were identified with the BstYI, HaeIII, and RsaI restriction enzymes. For statistical analysis, 17 alleles whose frequencies in the herds were equal to or higher than 2% were selected. Somatic cell count was analyzed based either on the lactation averages or on test-day yields. Significant relationship between the occurrence of the BoLA-DRB3 gene alleles and somatic cell count were stated. In case of estimating the effects for all lactations together, the effect of substitution was observed for 11 alleles. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dairy cattle; Mammary gland health; Marker assisted selection.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982018000100406
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