The results showed that the released amount of trace elements in the boluses could meet dairy cow's requirement and significantly improve milk yield and quality.

  • 结果表明,缓释丸释放的微量元素能够提供产奶牛的需要,对产奶量和乳品质的提高有显著的影响。

  • 互联网摘选 2025-01-20 00:07:41

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