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放牧家畜标识
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放牧家畜标识
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放牧家畜标识
释
marking of grazing livestock
放牧家畜标识
为方便放牧家畜尤其是种畜的选种与选配、防疫、检疫和监督的管理,或者公共牧场不同生产场放牧群体的区分,在放牧家畜特定部位做的识别标记。要求做到一畜一标,身份唯一。
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Boris Nikolaevich Polevoy
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Borman crater
Born
Borna disease virus
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born criminals
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