prrsv

Most recently " porcine high fever disease " was reported in China starting in 2006 with highly pathogenic PRRSV ( HP-PRRSV ) being a critical virus associated with high morbidity and mortality ( 20 % ) associated with this syndrome .

最近，2006年中国爆发了一次猪高热病，引起这次疫病的主要病原为高致病性猪繁殖与呼吸综合征病毒（HP-PRRSV），临床症状主要表现为高发病率和高死亡率（20%）。

It was caused by porcine reproductive and respiratory syndrome virus ( PRRSV ) .

其病原为猪繁殖与呼吸综合征病毒（PRRSV）。

Effect of Porcine Reproductive and Respiratory Syndrome Virus ( PRRSV ) on morphology of porcine tonsils

猪繁殖和呼吸综合征病毒引起猪扁桃体病理变化的研究

PRRSV seroconversion and viremia typically occur during the nursery phase of production .

PRRS毒血清转换和毒血症通常发生在生产育苗阶段。

Detection of porcine reproductive and respiratory syndrome virus ( PRRSV ) persistent infection by reverse transcription polymerase chain reaction

反转录聚合酶链式反应检测猪繁殖与呼吸综合征持续性感染

Cloning of E Gene of Porcine Reproductive and Respiratory Syndrome Virus ( PRRSV ) and Construction of Recombinant Adenovirus Expressing Vector

猪繁殖与呼吸综合症病毒E基因克隆及重组腺病毒表达载体的构建

At present , no information exists on the efficacy of PCV2 vaccination in PRRSV viremic pigs .

目前，没有任何资料上存在PCV2的猪接种PRRSV的病毒血症疗效。

Attenuated vaccine of porcine reproductive and respiratory syndrome virus ( PRRSV ) has been inoculated by nasal in the experiments .

试验研究了猪繁殖与呼吸综合征病毒（PRRSV）弱毒疫苗鼻腔接种对母猪子宫黏膜内淋巴细胞分布的影响。

PRRSV attenuated and disactived vaccine has been immunized by genital mucosal .

PRRSV弱毒细胞疫苗和灭活疫苗通过生殖道黏膜免疫接种。

To determine whether the porcine reproductive and respiratory syndrome virus ( PRRSV ) can survive in mosquitoes in infected pig farms .

调查猪场蚊虫是否能携带猪繁殖与呼吸综合征（PRRS）病毒。

【 Objective 】 To investigate the immune efficiency of the suicidal DNA vaccines of porcine reproductive and respiratory syndrome virus ( PRRSV ) .

目的探讨猪繁殖与呼吸综合征病毒（PRRSV）自杀性DNA疫苗的免疫效果。

Detection of Porcine Reproductive and Respiratory Syndrome Virus ( PRRSV ) in artificially infected pigs and the dead Embryoes Using Nucleic Acid Probe

核酸探针检测人工感染猪及死胎的猪繁殖与呼吸综合症病毒

In modern large-scale pig farms , the PRRSV and PCV2 usually co-infect the pigs , and increasing outbreak is observed .

在现代化规模养猪场中，PCV2与PRRSV往往混合感染，发病率呈上升趋势。

The porcine reproductive and respiratory syndrome ( PRRS ) was a high infection virus disease by porcine reproductive and respiratory syndrome virus ( PRRSV ) .

猪繁殖与呼吸综合症是由猪繁殖与呼吸综合症病毒引起的高度传染性病毒病。

The effect of mucosal immune of porcine reproductive and respiratory syndrome virus ( PRRSV ) attenuated and disactived vaccine was investigated by histological method .

应用组织学方法比较观察了猪繁殖与呼吸综合征病毒（PRRSV）弱毒细胞疫苗与灭活疫苗生殖道黏膜免疫的效果。

Three currently available commercial PCV2 vaccines were compared in the conventional pig model using pigs with passively acquired anti-PCV2 antibodies with or without experimental PRRSV infection .

现有三款商业PCV2病毒疫苗进行了比较传统的养猪模式采用被动获得抗PCV2抗体或没有实验PRRSV感染猪。

Pseudorabies virus ( PRV ) and Porcine reproductive and respiratory syndrome virus ( PRRSV ) are two kinds of infectious pathogen that greatly endangers swine industry .

猪伪狂犬病毒（PRV）和猪繁殖与呼吸综合征病毒（PRRSV）是两种严重危害养猪业的传染性病原。

Porcine reproductive and respiratory syndrome virus ( PRRSV ) is the causative agent of PRRS , which caused reproductive failure in sows and respiratory problems in piglets .

猪繁殖与呼吸综合征是由猪繁殖与呼吸综合征病毒（PRRSV）引起的一种以母猪繁殖障碍和仔猪呼吸道疾病为特征的传染病。

Construction and Identification of Recombinant Fowlpox Virus Expressing GP5 / GP3 of Pig Reproduction and Respiration Syndrome Virus ( PRRSV ) and Swine IL-18

表达PRRSVGP5、GP3和猪IL-18的重组鸡痘病毒的构建及鉴定

RT PCR test proved that the isolate belongs to serotype of American PRRSV and shares the same subgenotype with ATCC VR2332 .

结合病毒分离鉴定确诊为PRRS病毒（PRRSV）感染，RTPCR试验证实分离毒属美洲型PRRSV，且与ATCCVR2332株属同一基因亚型。

The result shows this method can be used in the diagnosis of PRRSV infection and the research for PRRSV distribution in the infected tissues , and the retrospective diagnosis in formalin-fixed tissues .

该法可用于仔猪PRRSV感染的诊断和组织中核酸的定位及分布研究，也可用于甲醛固定组织的回顾性诊断。

The clinic pathological finding of the infected piglets showed inflammation and haemorrhage of lung and spleen . RT-PCR was used to detect porcine reproductive and respiratory syndrome virus ( PRRSV ) .

3头发病仔猪的病变组织用RT-PCR检测，均为猪繁殖与呼吸综合征病毒（PRRSV）阳性；

The result showed that PRRSV can be quickly diagnosed by RT PCR , which laid a basis for quick diagnosis of PRRS and further research of the PRRSV isolates of our country .

结果说明应用所设计的引物进行RTPCR快速检测PRRS是可行的，为我国快速特异诊断PRRS和PRRSV强毒株的深入研究奠定了基础。

Using recombinant nucleocapsid protein GST-N of porcine reproductive and respiratory syndrome virus ( PRRSV ) as antigen , an indirect ELISA for the detection of antibodies against PRRSV was developed .

用亲和层析纯化的猪繁殖与呼吸综合征病毒（PRRSV）重组核衣壳蛋白GST-N作为诊断抗原，建立检测PRRS血清抗体的间接ELISA方法。

Recently , porcine reproductive and respiratory syndrome ( PRRS ), especially caused by highly pathogenic PRRS virus ( PRRSV ) has become one of the most important infectious diseases of swine industry in the world .

近年来，由猪繁殖与呼吸综合征病毒（PRRSV）引起的猪繁殖与呼吸综合征已成为危害全球养猪业最严重的传染病之一。

The MAbs against PRRSV GP5 can be used for further analysis of the structure and function of PRRSV , identification of epitopes on GP5 , which will be helpful for new vaccine design .

本研究获得的单克隆抗体将为今后深入研究PRRSV病毒结构和功能，分析GP5蛋白的抗原表位，设计有效的新型疫苗等提供有益帮助。

A kit for detection of antibody against porcine reproductive and respiratory syndrome virus ( PRRSV ) was prepared by immunoperoxidase monolayer assay ( IPMA ) and assembled as PRRSV-IPMA kit .

建立了一种检测猪生殖与呼吸综合征病毒（PRRSV）血清抗体的免疫过氧化物酶单层细胞试验法（IPMA），并组装成PRRSV-IPMA抗体检测试剂盒。

Objective : To show that polysaccharide from Scutellaria baicalensis Georgi has antiviral property by investigating its effect on replication of porcine reproductive and respiratory syndrome virus ( PRRSV ) in cells of the permanent MARC-145 cell line .

目的：通过考察黄芩多糖对猪生殖和呼吸系统综合征病毒在传代细胞系MARC-145细胞中增殖的影响，证明黄芩多糖具有抑制病毒增殖作用。

In recent , some pig farms in Guangxi occur frequently an infectious disease , which characters are abortion , death of embryo and mummified fetuses . Pathogen of the disease is considered as porcine reproductive and respiratory syndrome virus ( PRRSV ) .

广西一些养殖场频繁发生以母猪流产、死胎、木乃伊等为特征的流行性传染病，怀疑为猪繁殖与呼吸综合征病毒（PRRSV）所致。

The nucleocapsid protein gene ( N gene ) of porcine reproductive and respiratory syndrome virus ( PRRSV ) was amplified by RT-PCR . After the gene has been cloned into pET-32 a prokaryotic vector , a recombinant plasmid pETN was constructed .

应用RTPCR方法扩增出猪生殖与呼吸综合征病毒（PRRSV）的核衣壳蛋白基因（N基因），并将其克隆到pET32a载体，构建了高效原核表达载体pETN。