Department of Animal Science, College of Agriculture, Isfahan
University of Technology, 84156-83111, Isfahan, Iran
Saeid Ansari Mahyari
Department of Animal Science, College of Agriculture, Isfahan
University of Technology, 84156-83111, Isfahan, Iran
Mohammad Ali Edriss
Department of Animal Science, College of Agriculture, Isfahan
University of Technology, 84156-83111, Isfahan, Iran
Eva Strapakova
Department of Genetics and Breeding Biology, Faculty of Agrobiology
and Food Resources, Slovak University of Agriculture in Nitra, Tr. A. Hlinku
2, 94976 Nitra, Slovakia
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This study aimed to use survival analysis and examine the factors affecting functional herd life (FHL) of cows in Isfahan using the Weibull proportional risk model in Isfahan to estimate of breeding values for functional herd life. The SC, milk production, age at first calving and milk period showed significant effects on LPL (P < 0.001) according to the likelihood ratio test. Although there were some fluctuations in genetic trends, an overall increase was observed which leads to a longer FHL
This study aimed to use survival analysis and examine the factors affecting functional herd life...
