实时PCR对陕西省7个地市生产、经营和使用的反刍动物饲料产品和动物源性饲料产品（原料）进行了牛羊源成分检测调查。
The products of ruminant feed and cattle or sheep-derived feed from the enterprises and farms of 7 districts in Shaanxi province were detected by real-time PCR.
以牛肉、山羊肉为试验材料，对动物产品及饲料中牛源、羊源性成分PCR检测方法进行了优化。
The PCR detection of bovine, sheep and goat derived materials was optimized using beef and goat meat.
以牛肉、山羊肉为试验材料，对动物产品及饲料中牛源、羊源性成分PCR检测方法进行了优化。
The PCR detection of bovine, sheep and goat derived materials was optimized using beef and goat meat.
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