Analysis of Abortion Cases in a Dairy Farm of Heilongjiang Province
Abortion is a frequent disease for pregnant cattle and the calving interval of dairy cattle is prolonged,which seriously affects the profitability of the farm.There are infective and non-infective causes to abortion which are actually complex in real production.As usual,the abortion rate is controlled within a reasonable range of 2%-5%.The abortion rate of the in-case pasture the author is referring to amounted to 20%at the time.The coinfection of BVDV,IBRV and Neospora,the misuse of glucocorticoid mixed in TCM combinedly caused the disease after all-angle analysis.Obviously,establishing efficient and reasonable pandemic surveillance health system and careful usage of Chinese patent medicine on pasture are significant sections of herd health ensurance.