|
动物人工授精.公牛冷冻精液的剂量.规范
Artificial insemination of animals. Dosis of frozen bull semen. Specifications.
参考页数：4P.;A4
|
|
|
|
|
|
动物人工授精.公牛的非返回率的计算方法
Artificial insemination of animals. Method of calculation of the non-return rate for bulls.
参考页数：3P.;A4
|
|
|
|
|
|
|
|
|
|
鲁农Ⅰ号猪配套系
Pig commercial lines of Lunong Ⅰ
价格：￥0.00
|
|
|
|
|
|
中国荷斯坦牛体型鉴定技术规程
Code of practice of type classification in Chinese Holstein
价格：￥0.00
|
|
|
|
|
|
中国荷斯坦牛公牛后裔测定技术规程
Code of practice of progeny test for Chinese Holstein bulls
价格：￥0.00
|
|
|
|
|
|
|
|
内江猪
Neijiang pig
价格：￥0.00
|
|
|
|
|
|
关中驴
Guan zhong donkey
价格：￥0.00
|
|
|
|
|
