鸡传染性喉气管炎病理变化与预防

Pathological Changes and Prevention of Infectious Laryngotracheitis in Chicken

鸡传染性喉气管炎为急性呼吸道传染疾病,发病后严重影响鸡正常生活水平,降低生产效率,不利于养殖场经济效益。这种疾病会发生在鸡的各个生长阶段,在发病后,病鸡很难正常呼吸,通常伴有咳嗽及血液渗出物,整个气管黏膜出现肿胀,伴有溃烂、出血等。鸡传染性喉气管炎发病后,以较快的速度传播,传播的途径如饲养场器皿、空气等,整体病死率并不高,需要养殖场做好防控工作。在发病后一般需要从源头防控,制定完善的防控措施,及时接种疫苗。当有疾病爆发迹象时,应第一时间开展隔离防控工作,避免疾病大范围扩散,影响鸡生长水平。

Infectious laryngotracheitis of chickens is an acute respiratory infectious disease,which seriously affects the normal living standard of chickens,reduces production efficiency and is not conducive to the economic benefits of breeding farms.This disease will occur in various stages of chicken growth.After the onset,the sick chicken is difficult to breathe normally,usually accompanied by cough and blood exudate,and the whole tracheal mucosa appears swelling,accompanied by ulceration,bleeding,etc.After the onset of infectious laryngotracheitis in chickens,it spreads at a fast speed.The transmission channels such as farm utensils,air,etc.,and the overall case fatality rate is not high,so breeding farms should do a good job in prevention and control.After the onset of the disease,it is generally necessary to prevent and control the disease at the source,develop sound prevention and control measures,and timely vaccination.When there are signs of disease outbreak,quarantine and control work should be carried out at the first time to avoid the spread of the disease and affect the growth level of chickens.