• 产犊间隔 - 引用次数：14

  The results showed that when LRH-A2 was injected at postpartum 2 weeks, it contributed to shortening the calving interval.

  结果表明,奶牛产后2周用LRH-A2处理,有利于缩短产犊间隔。

  参考来源 - 采取综合措施缩短奶牛产犊间隔的研究

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