PORCINE EPIDEMIC DIARRHEA VIRUS AS A CAUSE OF PERSISTENT DIARRHEA IN A HERD OF BREEDING AND FINISHING PIGS
PORCINE EPIDEMIC DIARRHEA VIRUS AS A CAUSE OF PERSISTENT DIARRHEA IN A HERD OF BREEDING AND FINISHING PIGS
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DOI：
10.1136/vr.132.6.129
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发表时间：
1993-02-06
影响因子：
2.2
通讯作者：
VERHEIJDEN, JHM
中科院分区：
文献类型：
--
作者：
PIJPERS, A;VANNIEUWSTADT, AP;VERHEIJDEN, JHM
对某种猪场和育肥猪场发生的猪流行性腹泻病进行了临床和病毒学研究，采用ELISA技术检测粪便中猪流行性腹泻病毒和血液中抗体。在疫情爆发之初没有发现血清反应阳性的猪。该疾病的最初症状是在育肥猪中观察到的，感染迅速传播到饲养在不同猪舍中的怀孕母猪、分娩母猪及其乳猪、后备母猪和断奶母猪。育肥猪和妊娠母猪的抑郁和腹泻是最明显的临床体征。这种疾病发展成一种地方病，通常不会被认为是流行性腹泻，因为没有明显的典型症状。每月购买的11组血清阴性后备母猪感染了病毒，大多数组出现持续数天的大量腹泻。感染和腹泻在单独畜棚中的6至10周龄猪中持续存在。乳猪和断奶仔猪似乎没有受到感染。
A clinical and virological study of an outbreak of porcine epidemic diarrhoea in a combined breeding and finishing pig herd used ELISA techniques to detect porcine epidemic diarrhoea virus in faeces and antibodies in blood. No seropositive pigs were found at the start of the outbreak. The first signs of the disease were observed in fattening pigs and the infection spread rapidly to pregnant sows, farrowing sows and their suckling pigs, gilts and weaners housed in separate barns. Depression and diarrhoea in the fattening pigs and pregnant sows were the clearest clinical signs. An endemic form of the disease developed which would not normally have been recognised as epidemic diarrhoea because no typical signs were apparent. Eleven groups of seronegative replacement gilts, which were bought in monthly, became infected with the virus and most of the groups developed a profuse diarrhoea lasting a few days. The infections and diarrhoea persisted in six- to 10-week-old pigs in separate barns. The suckling pigs and young weaners appeared to be spared from the infections.