摘要
为了阐明奶牛真胃变位的发病规律 ,对 2 63例奶牛患有真胃变位的自然病例进行了研究。结果表明 :真胃变位的发生与过食精料和高产奶牛有密切关系 ,2~ 4胎次体格健壮的、产后 3 0天内的、11月份到来年的
In order to illuminate the nature of the displacement of the abomasum of dairy cows, We have the research of 263 dairy cows which have got the displacement of abomasum. The result indicated that the disease has a close connect with surfeit fine forage and high yield dairy cows. The stronger dairy cows which have produced 2 to 4 times and 30 days after parturition have the high incidence.
出处
《中国兽医杂志》
CAS
北大核心
2003年第2期6-8,共3页
Chinese Journal of Veterinary Medicine
关键词
奶牛
真胃变位
发病规律
dairy cows
displacement of the abomasum
nature of disease