Article published the August 20, 2021
1. IntroductionReducing the production costs is becoming more important in the dairy industry. The suitable development of replacement heifers is an expensive investment for dairy farms, so estimations of all associated costs are about 20% of the total production costs .The age at first calving (AFC) reflects the rate of growth of the female. A late entry in the productive life reduces the econ ...
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April 19, 2021