[目的]检测反刍动物饲料和动物源性饲料中牛羊源成分,掌握动物饲料安全情况。[方法]利用聚合酶链式反应法（PCR法）对反刍动物饲料产品（预混料、精料补充料、全价配合料等）和动物源性饲料产品（鱼粉、肉粉等）共计300个样品进行了牛羊源成分检测。[结果]牛羊源性成分检测合格率为99.33%。其中,反刍动物饲料产品260批次,牛羊源性成分合格率为99.23%;动物源性饲料产品40批次,均未检出牛羊源性成分。2个阳性样品均为牛源阳性。[结论]反刍动物饲料产品存在潜在的安全隐患。%[Objective] In order to detect the bovine and ovine-derived components in feedstuffs of ruminant animal in food derived from them, and to evaluate the bio-security situations of animal feed. [Method] The conventional PCR has been used to detect 300 samples in Henan Province. [Result] The result showed that the qualified rate was 99.33%. Among these products, the qualified rate was 99.23% in 260 batches of ruminant feed and the qualified rate was 100% in 40 batches of animal-derived material feed. Both of the two samples of unqualified products are cattle-derived material. [Conclusion] There is a potential security risk in ruminant feed.
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