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大肠杆菌粗制溶菌物对鸡的慢性致病作用
THE CHRONIC PATHOGENIC EFFECTS OF CRUDE Escherichia coli BACT-ERIOLYSATE ON CHICKENS
【摘要】 从鸡大肠埃希氏菌制备出含内毒素的粗制溶菌物。将此溶菌物给几群肉用仔鸡从17日龄到25周龄期间每周1次静脉注射,临床表现和病理变化表明,大肠杆菌溶菌物对鸡的生长和产蛋性能的影响甚小(p>0.05).重要病变见于肝,主要为局灶性淀粉样变和血停滞。其它器官的病变以局部血液循环障碍为特征。
【Abstract】 Crude bacteriolysate containing endotoxin was prepared from chicken E.coli strains.With the crude bacteriolysate groups of 17-day-old broilers were intravenously inject-ed weekly until 25-week-dd.Clinic appearance and pathologic changes were observed and recorded.The result showed that the bacteriolysate of E.coli had a little effect on growing and laying performance of chickens(p>0.05).Important lesions was found in the liver,mainly focal amyloidosis and heamostasis.In other organs the lesions characterized by local circulationg obstruction.
【基金】 湖南省自然科学基金
- 【文献出处】 湖南农学院学报 , 编辑部邮箱 ,1995年03期
- 【分类号】S852.61
- 【被引频次】1
- 【下载频次】24