1985 年至 2008 年期间西班牙猪圆环病毒 2 型从 PCV-2a 到 PCV-2b 的基因型转变。
Genotypic shift of porcine circovirus type 2 from PCV-2a to PCV-2b in Spain from 1985 to 2008.
机构信息
Centre de Recerca en Sanitat Animal, Universitat Autònoma de Barcelona, Edifici CReSA, Campus Bellaterra, Cerdanyola del Vallès, Barcelona 08193, Spain.
出版信息
Vet J. 2011 Mar;187(3):363-8. doi: 10.1016/j.tvjl.2009.12.023. Epub 2010 Jan 27.
Changes in porcine circovirus type 2 (PCV-2) genotypes were evaluated before, during and after outbreaks of post-weaning multisystemic wasting syndrome (PMWS) in (1) a retrospective study using pig sera collected in Spain from 1985 to 2008 and (2) a longitudinal study using pig sera collected from two farms in Spain over periods of 7 and 14 years. In both studies, there was a rapid genotypic shift from PCV-2a to PCV-2b that was related to the peak of PMWS epizootics in Spain and the appearance of PMWS on the two farms studied longitudinally.
在西班牙，1985 年至 2008 年期间采集猪血清进行了回顾性研究，同时对两农场的猪血清进行了为期 7 年和 14 年的纵向研究，评估了猪圆环病毒 2 型（PCV-2）基因型在断奶后多系统消耗综合征（PMWS）暴发前、暴发中和暴发后的变化。在这两项研究中，PCV-2a 向 PCV-2b 的快速基因型转变与西班牙 PMWS 流行高峰期以及两农场纵向研究中 PMWS 的出现有关。
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