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*,*,单击此处编辑母版标题样式,*,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,小 鹅 瘟,Gosling plague,小 鹅 瘟Gosling plague,1,雏鹅的急性败血性传染病,发生渗出性肠炎、下痢,传染快、死亡率高,雏鹅的急性败血性传染病,2,病 原,细小病毒科(,Parvoviridae,),鹅细小病毒(Goose parvovirus),小鹅瘟病毒(Gosling plague virus,GPV),只有一个血清型,病 原细小病毒科(Parvoviri,3,流 行 特 点,发生于鹅和番鸭的幼雏,主要在5-20日龄发病,水平和垂直传播,流 行 特 点发生于鹅和番鸭的幼雏,4,症 状,突然死亡,双脚麻痹,倒地乱划,饮水增多,腹泻,消瘦,沉郁,有时有神经症状,症 状突然死亡,双脚麻痹,倒地乱划,5,雏鹅的急性败血性传染病课件_002,6,雏鹅的急性败血性传染病课件_002,7,雏鹅的急性败血性传染病课件_002,8,雏鹅的急性败血性传染病课件_002,9,病 理 变 化,最急性 肠道急性卡他性炎症,急性型 全身败血症变化,空肠回肠有栓子形成,病 理 变 化最急性 肠道急性卡他性炎症,10,雏鹅的急性败血性传染病课件_002,11,雏鹅的急性败血性传染病课件_002,12,雏鹅的急性败血性传染病课件_002,13,雏鹅的急性败血性传染病课件_002,14,诊 断,初步诊断,雏鹅大批发病死亡,症状和特有的病变,病原分离,血清学方法,诊 断初步诊断,15,防 制,不从疫区引进雏鹅和种蛋,疫苗免疫种鹅,无母源抗体小鹅,出壳后立即接种,发病早期用高免血清或卵黄抗体,防 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