Objective To get message of the coccidian infection of rabbits in Zhangjiakou area.目的了解张家口地区兔球虫种类及感染情况....

球虫，球虫的...

coccidian的音标：coccidian的英式发音音标为：[kɒ'kɪdjən]coccidian的美式发音音标为：[kɒ'kɪdjən]...