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猪高热病的流行特点与防制对策 被引量:9

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摘要 猪高热病是由高致病性蓝耳病等病毒和细菌、寄生虫等多病原混合或继发感染引起的急性、热性,高致病性和致死性的传染性疾病。从2006年5月份开始,我国华南地区不少养殖户暴发了此病。该病危害严重,具传播区域广、传播速度快、发病率高、死亡率高、治愈率低等特点,造成猪只大量死亡,并逐渐扩散和蔓延到我国的大部分地区,给养猪业带来巨大的经济损失。此后,该病广泛传播.迅速传扁我国各地,农业部将“猪高热病”确诊.定名为“猪高致病性蓝耳病”,但仍存在很多争议.它是近年来严重威胁我国养猪业的重要传染病之一。一方面.死亡率、淘汰率增加,另一方面导致免疫抑制,使多种有效疫苗对猪的免疫应答下降造成免疫失败,使猪对病原感受性增加。
作者 覃芳慧
出处 《畜禽业》 2013年第7期24-27,共4页 Livestock and Poultry Industry
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