【摘要】 在一个气喘病流行已有数年的种猪场 ,结合种猪选育 ,实施了以免疫、消毒、隔离、淘汰并加速更换种猪建立新种猪群等为主要技术措施的猪气喘病控制和净化技术后 ,取得了显著效果。气喘病临床病猪已经少见 ,肺部有气喘病病变的猪也从试验初期的 10 .9%下降到后期的 3 %左右 ,仔猪存活率和生长速度显著提高。更多还原

【Abstract】 On a breeding pig farm with a epidemic swine enzootic pneumonia for several years,combined with breeding,a method of prevention and eradication of this swine pneumonia was carried out.This method was composed of several measures,including vaccination,disinfection,isolation,eliminating infected or suspicious pigs, and developing a new group of health breeding pigs.The results indicated that this method is effective on this farm.The infected pigs with clinical symptoms of cough and asthma have seldom been found.The rate of the pigs with pathological lung was decreased from 10.9% to about 3% during this experiment.The lived rate of piglets and the growth rate of pigs were increased apparently.更多还原