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猪圆环病毒病的发病特征与防治措施

XIANDAI NONGYE KEJI(2006)

Cited 5|Views5
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Abstract
1发病特征 发病母猪主要表现为体温升高达41~42℃,食欲减退,出现流产、早产,产死胎、弱仔、仔猪容易死亡,断奶前仔猪死亡率高,母猪产后少奶或无奶,断奶后不发情,子宫炎,难孕,产仔数减少,不孕.多发生在哺乳期和断奶后的仔猪.尤其是5~12周龄的仔猪,一般于断奶后2~3d或1周开始发病,病猪表现精神萎靡,食欲不振,发热,毛乱,进行性消瘦,生长迟缓,呼吸困难,咳嗽,喘气,贫血,皮肤苍白,体表淋巴结肿大.有的皮肤与可视粘膜发黄,腹泻,胃溃疡,嗜睡.临床上约有20%的病猪呈现贫血与黄疸症状.
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