1311 cattle ( including farm cattle, dairy cows, yaks and crossbred yaks) in 42 counties and cities of Gansu province were examined for investigating tick-borne blood protozoa. 利用病原检查法在甘肃省42个县市对1311头牛进行了牛蜱传性血液原虫调查,并研究了不同生态地区虫种的分布特征。
The composition change of blood protein is caused by pebrine protozoa parasitism and multiplication. 血淋巴蛋白质组分的变化,是微粒子原虫在蚕体内寄生与增殖所致。
Investigations on tick-borne blood protozoa and characteristics of their distribution in Gansu 甘肃省牛的蜱传性血液原虫虫种和分布特征的调查