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摘要

The Holstein cow probably more than any other requires high quality forage. She requires this not only to maintain the high daily milk production that her high genetic merit breeding designed her for, but also to remain free from the all too common production diseases of SARA (Sub Acute Rumen Acidosis), poor fertility and lameness. Total mixed rations with a forage:concentrate ratio of 65:35 can maintain a milk yield of 10,000 kg and more, while improving fertility and reducing SARA. This is a challenging but also an essential and achievable target on intensive Holstein dairy farms.
机译:荷斯坦奶牛可能比其他任何母牛都需要高质量的草料。她不仅要求维持其高遗传力育种所设计的每日高产奶量,而且还要避免所有常见的SARA(亚急性瘤胃酸中毒),生育力差和la行性疾病。饲草:浓缩物比例为65:35的总混合日粮可以保持10,000公斤及以上的牛奶产量,同时提高生育能力并降低SARA。对于集约化的荷斯坦奶牛场来说,这是一个挑战,但也是必不可少的目标。

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