蛋鸡产蛋期传染性鼻炎的诊治
Veterinary Orientation(2011)
Abstract
<正>鸡传染性鼻炎是由副鸡嗜血杆菌引起的鸡的一种急性呼吸道疾病。它属于革兰氏阴性菌,该病主要有A、B和C三个血清型;B型为A型的一个变种,即无致病力;而中
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