Potential influence of κ-casein and β-lactoglobulin genes in genetic association studies of milk quality traits

Autor: José Luis Zepeda-Batista, Luis Antonio Saavedra-Jiménez, Agustín Ruíz-Flores, Rafael Núñez-Domínguez, Rodolfo Ramírez-Valverde
Jazyk: angličtina
Rok vydání: 2017
Předmět:
Zdroj: Asian-Australasian Journal of Animal Sciences, Vol 30, Iss 12, Pp 1684-1688 (2017)
Druh dokumentu: article
ISSN: 1011-2367
1976-5517
DOI: 10.5713/ajas.16.0481
Popis: Objective From a review of published information on genetic association studies, a meta-analysis was conducted to determine the influence of the genes κ-casein (CSN3) and β-lactoglobulin (LGB) on milk yield traits in Holstein, Jersey, Brown Swiss, and Fleckvieh. Methods The GLIMMIX procedure was used to analyze milk production and percentage of protein and fat in milk. Models included the main effects and all their possible two-way interactions; not estimable effects and non-significant (p>0.05) two-way interactions were dropped from the models. The three traits analyzed used Poisson distribution and a log link function and were determined with the Interactive Data Analysis of SAS software. Least square means and multiple mean comparisons were obtained and performed for significant main effects and their interactions (p
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