Application of levobunolol hydrochloride in preparation of drug for resisting eimeria tenella

The invention discloses an application of levobunolol hydrochloride in preparation of a drug for resisting eimeria tenella. The drug for resisting the eimeria tenella is powder or water-soluble powder. The application has the benefits as follows: animal inflection experiments prove that the levobunolol hydrochloride has the ACI (anticoccidial index) of 160 or above, has the better eimeria tenellaresisting function and is an ideal and effective drug for preventing and treating the eimeria tenella. 本发明公开了盐酸左布诺洛尔在制备抗柔嫩艾美耳球虫药物中的应用，其中，该抗柔嫩艾美耳球虫药物为散剂或水溶性粉剂。本发明的有益之处在于：通过动物感染实验证实，盐酸左布诺洛尔的抗球虫指数(ACI)可达到160以上，具有较好的抗柔嫩艾美耳球虫作用，是预防和治疗柔嫩艾美耳球虫病理想的有效药物。