, 
场;
，Necrotic posthitis is characterized by evertive swelling, edema and necrosis in the prepuce of feedlot steers and bulls.
坏死性
皮炎以育牛场
阉牛和公牛中所出
皮外翻性肿胀，水肿和坏死为特征。
）饲育场Necrotic posthitis is characterized by evertive swelling, edema and necrosis in the prepuce of feedlot steers and bulls.
坏死性皮炎以育牛场阉牛和公牛中所出皮外翻性肿胀，水肿和坏死为特征。
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