抗鸡球虫药物的合理应用

鸡球虫种类很多，目前世界公认的有8 种，其中危害最大的有艾美耳属的柔嫩艾美耳球虫、毒害艾美耳球虫2种，是养鸡业中严重多发，且防制困难的疾病之一，其死亡率达40%～50%。近几年来由于各养殖户缺乏疾病防制知识，使用药物防治球虫病时并不能做到合理选用和科学应用，导致球虫的耐药性不断增加，球虫病在一定区域仍然广泛流行。作者阐述了如何合理应用抗球虫药物来减少药物产生耐药性，使其更有效地治疗鸡球虫病。

Reasonable Application of the Drugs against Chicken Coccidian

There are many kinds of chicken coccidian. At present, the eight species are recognized in worldwide. The most harmful is Eimeria tenella and Eimeria necatrix from the eight species， that is one of serious, multiple and difficult prevention and control diseases in chicken industry, its mortality rate is 40% to 50%.In recent years, farmers lacked the knowledge of disease prevention and control can not reasonable selection and scientific application of drugs to cure coccidiosis, increasing drug resistance ceaseless, coccidiosis in certain region is always widely prevalent. The paper explained the reasonable application of anticoccidial drugs for reducing drug resistance, which was more effective in the treatment of chicken coccidian.