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首页> 外文期刊>Tropical Animal Health and Production >Seroprevalence of economically important viral pathogens in swine populations of Trinidad and Tobago, West Indies
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Seroprevalence of economically important viral pathogens in swine populations of Trinidad and Tobago, West Indies

机译：西印度群岛特立尼达和多巴哥猪群中经济上重要病毒病原体的血清逆转

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摘要

The objective of this study was to evaluate the seroprevalence and identify the strains of swine influenza virus (SwIV), as well as the seroprevalence of porcine parvovirus (PPV), transmissible gastroenteritis virus (TGEV), porcine reproductive and respiratory syndrome virus (PRRSV), porcine respiratory coronavirus (PRCV), porcine circovirus type 2 (PCV-2), and classical swine fever virus (CSFV) in pigs in Trinidad and Tobago (T&T). Blood samples (309) were randomly collected from pigs at farms throughout T&T. Serum samples were tested for the presence of antibodies to the aforementioned viruses using commercial ELISA kits, and the circulating strains of SwIV were identified by the hemagglutination inhibition test (HIT). Antibodies against SwIV were detected in 114 out of the 309 samples (37%). Out of a total of 26 farms, 14 tested positive for SwIV antibodies. HI testing revealed high titers against the A/sw/Minnesota/593/99 H3N2 strain and the pH1N1 2009 pandemic strain. Antibodies against PPV were detected in 87 out of the 309 samples (28%), with 11 out of 26 farms testing positive for PPV antibodies. Antibodies against PCV-2 were detected in 205 out of the 309 samples tested (66%), with 25 out of the 26 farms testing positive for PCV-2 antibodies. No antibodies were detected in any of the tested pigs to PRRSV, TGEV, PRCV, or CSFV.
机译：本研究的目的是评估猪流感病毒（SwIV）的血清流行情况，并鉴定其毒株，以及猪细小病毒（PPV）、传染性胃肠炎病毒（TGEV）、猪繁殖与呼吸综合征病毒（PRRSV）、猪呼吸冠状病毒（PRCV）、猪圆环病毒2型（PCV-2）的血清流行情况，特立尼达和多巴哥（T&T）猪中的猪瘟病毒（CSFV）。在整个T&；使用商业ELISA试剂盒检测T.血清样本是否存在上述病毒的抗体，并通过血凝抑制试验（HIT）鉴定SwIV的循环菌株。在309份样本中，114份（37%）检测到了抗SwIV的抗体。在总共26个农场中，14个农场的SwIV抗体检测呈阳性。HI检测显示对A/sw/明尼苏达/593/99 H3N2株和pH1N1 2009大流行株具有高滴度。309份样本中有87份（28%）检测到PPV抗体，26个农场中有11份检测出PPV抗体阳性。在309份检测样本中，205份（66%）检测到了PCV-2抗体，26个农场中有25份检测出PCV-2抗体阳性。在所有受试猪中均未检测到PRRSV、TGEV、PRCV或CSFV抗体。

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