Centro Nacional de Sanidad Agropecuaria (CENSA), La Habana, Cuba.
Res Vet Sci. 2011 Dec;91(3):e154-7. doi: 10.1016/j.rvsc.2011.02.012. Epub 2011 Apr 11.
In this study, 40 pigs with respiratory and wasting disorders from Cuban swine herds were screened by PCR for the presence of TTSuV1, TTSuV2, PCV-2, PPV and CSFV in spleen samples. The variability of the porcine TTSuV sequences obtained was investigated by phylogenetic analysis. This study showed for the first time that TTSuV1 and TTSuV2 were present in Cuban swine herds. The investigation revealed the following infection rates: TTSuV1 40%, TTSuV2 37.5%, PCV-2 70%, PPV 37.5% and CSFV in 52.5%. The presence of two or more of these viruses at different rates in the same spleen samples was revealed. Also, a higher genetic diversity of TTSuV2 sequences was observed regarding TTSuV1 sequences.
在这项研究中，对来自古巴猪群的 40 头患有呼吸和消耗性疾病的猪，通过 PCR 对其脾脏样本中 TTSuV1、TTSuV2、PCV-2、PPV 和 CSFV 的存在情况进行了筛查。通过系统进化分析，对获得的猪 TTSuV 序列的变异性进行了研究。本研究首次表明，TTSuV1 和 TTSuV2 存在于古巴猪群中。调查结果显示以下感染率：TTSuV1 为 40%，TTSuV2 为 37.5%，PCV-2 为 70%，PPV 为 37.5%，CSFV 为 52.5%。在同一脾脏样本中，不同比例的两种或更多种病毒同时存在。此外，与 TTSuV1 序列相比，TTSuV2 序列的遗传多样性更高。
