نوع فایل :PDF تعداد صفحات :17 سال انتشار :1395 چکیده Haemophilus parasuis is a small, pleomorphic, NAD-dependent member of the family Pasteurellaceae. This bacterium is the etiological agent of Gl auml;sser rsquo;s disease in swine, which is characterized by polyserositis and arthritis. Once a sporadic disease, it has increased in prevalence and severity in recent years with the adoption of new production technologies which has led to pigs being susceptible to ...