畜牧与饲料科学 ›› 2010, Vol. 31 ›› Issue (11): 141-141.doi: 10.12160/j.issn.1672-5190.2010.11.081
蔡涛[1] 田淑娟[2] 李雅华[3] 张勇[4]
CAI Tao,TIAN Shu-juan,LI Ya-hua,ZHANG Yong (1.Animal Husbandry Technology Promotion Center of Weinan City,Weinan 714000,China;2.Animal Disease Control and Prevention Center of Baishui County,Baishui 715600,China;3.Animal Husbandry and Veterinary Bureau of Heyang County,Heyang 715300,China;4.College of Veterinary Medicine,Northwest A&F University,Yangling 712100,China)