【摘要】 2012-2017年,北京、山东、安徽、贵州、河北和广西等省市区送检鸡传染性鼻炎疑似病料125份,共分离到副鸡禽杆菌45株,其中A型15株,B型30株。表明近六年来我国的鸡传染性鼻炎以B型为主。更多还原

【Abstract】 From 2012 to 2017,we collected 125 suspicious samples of Infectious Coryza from Beijing,Shandong,Anhui,Guizhou,Hebei,and Guangxi provinces. We got 45 Avibacterium paragallinarum isolates. 15 isolates were Page’s serovars A and 30 isolates were Page’s serovars B. It is indicated that the Infectious Coryza is dominated by Page’s serovars B in China in the last six years.更多还原