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【正】 母牛怀孕期间,除喂精料外,还需要适当的喂些碘、铁、铜、钙等微量元素。如若缺少这些营养元素,母牛就易患贫血症、肿脖子病或产没有毛的胎儿。哪些饲料含有这些元素呢?据有关资料表明,海带除含有丰富的蛋白质外,还含有大量的碘、铁、铜、钙等元素。
给孕牛补喂海带
【摘 要】
：
【正】 母牛怀孕期间,除喂精料外,还需要适当的喂些碘、铁、铜、钙等微量元素。如若缺少这些营养元素,母牛就易患贫血症、肿脖子病或产没有毛的胎儿。哪些饲料含有这些元素呢
【机 构】
：
范县龙王庄乡吴桥村
【出 处】
：
河南科技
【发表日期】
：
2002年9X期
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