Contagious Atrophic Rhinitis of pig is a chronic contagion, which character is nosepiece bone atrophy, chronic coryza, tear stains.

  • 猪传染性萎缩性鼻炎(AR,Atrophic rhinitis)是猪的一种慢性传染病,以鼻甲骨萎缩、慢性鼻炎、泪斑为特征。

  • 互联网摘选 2025-01-20 13:28:25

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