复方中草药预防肉鸡大肠杆菌病的研究

Prevention of Chicken Colibacillosis with Chinese Herbal Compounds in Broilers

[目的]探讨复方中草药制剂对肉鸡人工感染大肠杆菌的保护作用。[方法]在验方的基础上加减组方,以AA肉鸡为试验动物,通过体外抑菌试验和体内攻毒试验,研究中药复方制剂A和B的体外抑菌效果和对鸡人工感染大肠杆菌的保护作用。[结果]与感染对照组相比,处方A组和处方B组的肉鸡死亡率均显著降低。处方A组和处方B组的保护率分别为68.5%和59.3%,均高于感染对照组(32.5%)。[结论]中药复方制剂A和制剂B均对肉鸡感染大肠杆菌病有预防保护作用。

[Objective] The aim of the research was to evaluate the protective efficacy of Chinese herbal compound against chicken colibacillosis.[Method] Two Chinese herbal compound preparations were obtained by modifying the proved recipes.The AA broilers were selected and challenged by E.coli.Antibacterial test in vitro and protection test in vivo were conducted to investigate the protective efficacy of the two Chinese herbal compound preparations A and B against chicken colibacillosis.[Result] The mortality of chickens treated with the prescription A or B was significantly lower than that of the control.The protection rates of the prescription A and B were respectively 72.1% and 81.4%,both higher than that of the control（32.5%）.[Conclusion] The Chinese herbal compound preparations A and B can be used to protect broilers from colibacillosis.