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Serological evidence of type 2 (North American genotype) porcine reproductive and respiratory syndrome virus in Nepal

机译：尼泊尔2型（北美基因型）猪繁殖与呼吸综合征病毒的血清学证据

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摘要

Porcine reproductive and respiratory syndrome virus (PRRSV) has spread throughout Asia, causing significant losses to commercial farmers and smallholders. However, little is known about PRRS in Nepal, a South Asian country with a gradually increasing pig industry. In 2011, a pilot project was initiated to identify the status of PRRSV in pigs of the Kathmandu Valley of Nepal. Out of 98 serum samples, 31 (32 %; 95 % CI 23-42 %) were found positive by ELISA. All positive samples belonged to the type 2 (North American) genotype. Molecular evaluation by real-time PCR however did not yield positive results. At the herd level, seropositivity was associated with a history of abortion and premature birth. Veterinarians, farmers and government should be aware of this threat to the Nepalese pig industry and initiate an appropriate response.
机译：猪繁殖与呼吸综合症病毒（PRRSV）已在整个亚洲传播，给商业农民和小农造成了重大损失。然而，对尼泊尔的PRRS知之甚少，尼泊尔是一个生猪产业逐渐增长的南亚国家。 2011年，启动了一个试点项目，以鉴定尼泊尔加德满都谷地猪的PRRSV状况。在ELISA中发现98个血清样品中有31个（32％; 95％CI 23-42％）为阳性。所有阳性样品均属于2型（北美）基因型。然而，通过实时PCR进行的分子评估没有产生积极的结果。在畜群一级，血清阳性与流产和早产史相关。兽医，农民和政府应意识到对尼泊尔养猪业的威胁，并采取适当的对策。

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