Effects of calving ease (eutocia vs. dystocia) and first calving age on the lactation curve parameters, calf birth weight, and length of the first calving interval (CI) in Holstein heifers (n = 115,291).
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Effects of calving ease (eutocia vs. dystocia) and first calving age on the lactation curve parameters, calf birth weight, and length of the first calving interval (CI) in Holstein heifers (n = 115,291).
创建时间：
2021-01-04
