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家鸭禽流感的变化特征及防控对策 被引量:7

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摘要 通过研究家鸭禽流感的变化发现,近年来鸭感染H5N1亚型高致病性禽流感后,内脏广泛性出血性病变减少,主要出现以神经症状为特征的临床症状和脑炎型病理变化;高致病性禽流感病毒对鸭的致病性呈现减弱趋势,在试验感染鸭体内病毒排毒期延长,隐性感染比较普遍,但部分毒株对鸡仍保持着高致病力,对人可能有致病力,这对人的身体健康构成了潜在的威胁。对此,迫切需要关注和跟踪研究家鸭禽流感的变化特征,对家鸭实行生物安全饲养,开展免疫预防和抗体监测,推行科学消费,阻断病毒向家禽和人的传播。
机构地区 湖南省兽医总站
出处 《中国畜牧兽医》 CAS 2008年第3期91-93,共3页 China Animal Husbandry & Veterinary Medicine
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参考文献12

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