点击下载:中国农业大学:《家畜繁殖学》课程教学资源(PPT课件)第七章 人工授精(Artificial Insemination)
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igure 14-1 Semen collection area for Fi bulls. Note safety fences over which bulls can be managed while prot the handler. Earthen floor provides good footing for the bulls. ( Courtesy of Select Sires, Inc, Plain City, Ohio
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点击下载:中国农业大学:《家畜繁殖学》课程教学资源(PPT课件)第七章 人工授精(Artificial Insemination)
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