柔嫩艾美耳球虫洛阳分离株的致病性研究
Hubei Journal of Animal and Veterinary Sciences（2013）
Abstract
利用人工感染试验,研究柔嫩艾美耳球虫洛阳分离株的致病性.结果表明,随着感染剂量的提高,其死亡率上升,平均增重下降、平均病变记分提高,半数致死量(LD50)为3.248 7×104个/只.为洛阳地区防控其柔嫩艾美耳球虫所病提供了依据.
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