Article
Fertility subindex for improving fertility performance in Iranian Holstein cows.
Tropical animal health and production - 1 Jan 2015
Ghiasi Heydar, Pakdel Abbas, Nejati-Javaremi Ardeshir, González-Recio Oscar
Abstract excerpt
Different fertility indices were constructed for improving fertility performance in Iranian Holstein dairy cows. Number of inseminations per conception and days from calving to first insemination, each weighted by its economic value, were included as breeding goals in the aggregate genotype defin...
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