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机构地区:[1]肇庆市工程技术学校,广东肇庆526070 [2]华南农业大学兽医学院,广东广州510642
出 处:《动物医学进展》2008年第8期17-19,共3页Progress In Veterinary Medicine
基 金:华南农业大学校长基金(5500-K0116)
摘 要:2005年-2006年,对广东省12个市(县/区)共40个猪场108头病例,应用病理学及病原检测方法对PCV-2感染情况进行调查。结果表明,PCV-2阳性44例,占总病例数的40.7%。从,10日龄到120日龄均有感染,以60日龄~70日龄多发。在PCV-2感染的病例中,混合感染占95.5%。以混合感染PRRSV(11例,25%)最多,混合感染APP次之(10例,22.7%)。另外,调查显示该病可全年发生,但5月份为发病高峰。In 2005-2006, samples of 108 pigs from 40 farms in 12 different cities of Duangdong province were investigated by histopathological methods with HE stain to understand epidemiological features of PCV-2 infection. As result,44 cases were PCV-2 positive, that were 40.7% of the total The infected pigs were from 10 to 120 days old with the majority (15 cases, 32.0%)being 60 to 70 days old. The mixed infection rate in PCV-2 positive cases was 95.5%. The mixed infection with PCV-2 and porcine reproductive and respiratory syndrome virus (11 cases, 25 %) was the most prevalent form followed by that with PCV- 2 and Actinobacillus pleuropneumonia(10 cases, 22.7%). PMWS could occur in the whole year, but the peak incidence was in May.
分 类 号:S852.659.2[农业科学—基础兽医学]
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