奶牛重复超排试验观察

魏成斌;贺文杰;辛晓玲;施巧婷;楚秋霞;徐照学;李文军

Journal of Henan Agricultural Sciences . 2007, (1): 102 -103 . DOI: 10.3969/j.issn.1004-3268.2007.01.031