| 英文描述 | Three to 8-day old chicks in Belgium developed nervous signs, characterized by torticollis. Up to 4% of chicks were affected. At necropsy there were microscopically visible round and well-delineated folic of malacia, primarily in the brainstem. Bacteriological examination of internal organs, including brains, yielded heavy growths of ENTEROCOCCUS HIRAE. Chicks with mortality and diarrhea in Japan had adherence of E. HIRAE to the duodenal epithelium, and it was believed that the diarrhea and death were due to this organism (Kondo et al.). E. HIRAE also was associated with septicemia in psittacine birds (Devriese et al.). |