Article
Genetic (co)variance for sire fertility estimated by additive, non-additive and longitudinal models in Holstein-Zebu cross-bred cows.
Animal : an international journal of animal bioscience - 1 May 2013
Menéndez Buxadera A, Ayrado Y
Abstract excerpt
For this study, we used the results of sire fertility (SF) measured on a monthly basis by the ratio between the number of pregnant cows and the number of inseminations, from a total of 905 140 inseminations carried out in Cuba between 1994 and 2003. These artificial inseminations were made using 815 sires in 3249 herds throughout the country, and were analysed using additive, non-additive linear models and a...
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