论文部分内容阅读
近年来,有资料证实,长其从事养鸡的人,如果忽视了必要的劳动防护,将容易罹患一种养鸡者的“职业病”——哮喘。长期养鸭的人易发生哮喘病的原因是由于寄生在鸡
In recent years, some data confirm that people who have been engaged in raising chickens for a long time will easily suffer from the “occupational disease” of a chicken farmer - asthma if they neglect the necessary labor protection. Long-term duck raising people prone to asthma due to parasitism in the chicken