广西荷斯坦奶牛胎衣不下的病因、发病规律及防制措施

陈学文;李旭;凌泽辉;严高彰

The Etiology, Occurrence Regularity, Prevention and Control Measures of Retained Fetal Menbranes of Guangxi Holstan Dairy Cow

CHEN Xue-wen;LI Xu;LING Ze-hui;YAN Gao-zhang

. 2009, (5): 130 -133 .