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rou ji wen he xing xin cheng yi yu zhi qi guan du sai hun he gan ran de zhen zhi
Author(s): 
Pages: 43
Year: Issue:  10
Journal: Henan Journal of Animal Husbandry and Veterinary Medicine

Abstract: 1 发病情况 焦作市博爱县磨头镇农户逯某,2016年5月9日从某孵化场购进308肉鸡苗5 000只,养至16日龄时鸡群开始出现甩鼻、咳嗽、个别严重的还出现呼噜等呼吸道症状,食欲正常,粪便呈绿色,养殖户怀疑是因天气原因导致的呼吸道,自己购买呼吸道药物使用了3d,用药后呼吸道症状未见减轻,并有严重趋势,部分肉鸡开始出现精神沉郁,闭目无神,羽毛松乱,翅垂,饮食减少.病初只有零星死亡,用药后几天死亡达到200余只.并且鸡群萎顿,死亡率有继续上升的趋势.前来诊治.
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