P CR检测和酶切鉴定结果表明，在水平测试的混合饲料粉中可检出牛源、羊源性成分。
The bovine, sheep and goat derived materials were positive in mixed feed powders of level test by PCR and restriction enzyme analysis.
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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