为提高奶牛寄生虫病防控效果,笔者对临沂市6 个不同规模奶牛场、10 个散养奶牛合作社寄生虫病流行现状进行随机抽样调查。被调查的629 头奶牛中,球虫、新蛔虫、隐孢子虫、莫尼茨绦虫和片形吸虫等体内寄生虫阳性奶牛133 头,阳性率21.1%。对546 头荷斯坦牛、西门塔尔牛体表寄生虫随机抽样调查中,体表寄生虫螨、牛皮蝇蛆、牛虱、蜱虫等感染89 头,感染率16.3%,其中螨虫感染占62.9%。本文在分析临沂市奶牛场常见寄生虫病病原与流行特点、临床症状基础上,提出相应防控对策和驱虫程序。

In order to improve the prevention and control effect of parasitic diseases in dairy cows,the author conducted a random sampling survey on the epidemic status of parasitic diseases in 6 different scale dairy farms and 10 free range dairy cooperatives in Linyi City．Among the 629 cows surveyed,133 cows were found to be positive for internal parasites such as coccidia,neoascaris,cryptosporidium,monitz tapeworm,and fasciola hepatica,with a positive rate of 21.1%.In a random sampling survey of 546 Holstein and Simmental cows surface parasites,89 individuals were infected with surface parasites such as mites,cowhide fly maggots,cattle lice,ticks,etc.,with an infection rate of 16.3%,with mite infections accounting for 62.9%．Based on the analysis of common parasitic pathogens,epidemic characteristics,and clinical symptoms in dairy farms in Linyi City,corresponding prevention and control strategies and deworming procedures were proposed．