Therefore, the rapid, sensitive and stable semi-nested PCR are the effective methods for detecting trace bovine and sheep derived materials in feedstuff.

该技术具有快速、灵敏和结果稳定的特点，是检测饲料中痕量牛羊源成分的一种有效方法。

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This is applicable to the label and trace of raw materials, accessory parts, semi-finished products and finished products.

适用于本公司原材料、协配件、半成品、成品的标识和追溯。

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Semi-wild natural green food, rich in protein and various trace elements, low-fat, high calorie, can enhance resistance to disease and boost metabolism.

半野生天然绿色食品，富含蛋白质和各种微量元素，低脂肪，高热量，能增强抗病力促进新陈代谢。

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