Al-Sheikhly F, Al-Saieg A
Avian Dis. 1980 Apr-Jun;24(2):324-33.
Clostridium perfringens type A, Eimeria acervulina, and Eimeria necatrix were used to produce necrotic enteritis in chickens. The disease was produced in all groups of birds that received feed contaminated with C. perfringens. Mortality due to necrotic enteritis was highest (53%) in birds infected with E. acervulina before infection with clostridia. There was a significant difference in mortality rates between birds infected with E. acervulina and birds infected with E. necatrix before infection with C. perfringens. Mortality rates also differed significantly between the group infected with E. necatrix and the group that received only feed contaminated with C. perfringens. It was concluded that under field conditions, coccidia can play a significant role in the occurrence of necrotic enteritis when a sufficient number of toxigenic strain of C. perfringens type A is present. The pathological changes induced by clostridia and coccidia are described.
A型产气荚膜梭菌、堆型艾美耳球虫和毒害艾美耳球虫被用于在鸡身上引发坏死性肠炎。所有接受被产气荚膜梭菌污染饲料的鸡群都患上了这种疾病。在感染梭菌之前感染堆型艾美耳球虫的鸡中，因坏死性肠炎导致的死亡率最高（53%）。在感染产气荚膜梭菌之前，感染堆型艾美耳球虫的鸡和感染毒害艾美耳球虫的鸡之间的死亡率存在显著差异。感染毒害艾美耳球虫的组与仅接受被产气荚膜梭菌污染饲料的组之间的死亡率也有显著差异。得出的结论是，在田间条件下，当存在足够数量的A型产毒产气荚膜梭菌菌株时，球虫可在坏死性肠炎的发生中起重要作用。描述了由梭菌和球虫引起的病理变化。
