Pig Rebreeding and PRRS is a new noticeable viral infectious pig disease at home and abroad.
猪繁殖和呼吸综合症是近年来国内外引人注目的一种新的病毒性猪传染病。
Porcine reproductive and respiratory syndrome (PRRS) becomes an economically significant disease for the Chinese swine industry.
猪繁殖与呼吸综合征(PRRS)是当前严重危害我国养猪业的重要传染病。
Once again the facts say that commercial companies almost always end up with all of their farms + ve for diseases like PRRS and Mycoplasma.
事实再一次说明商业公司几乎最终都会因为诸如蓝耳病和支原体病毒等疾病问题而终止。
With true multiple site systems, and taking into account the very young weaning ages achieved in the USA, elimination of PRRS virus has been reported.
在美国，真正的多场系统中已有根除PRRS的报道，这也部分归功于美国所达到的非常小的早期断奶日龄有关。
Based on screw theory and exponential product method, the inverse kinematics of the passive and active joints of the 6-prrs parallel robot was resolved.
利用旋量理论和指数积方法求解了6 -PRRS并联机构主动关节与被动关节的位置逆解。
The group discussed the state of current knowledge about PRRS vaccinations at the invitation of the University Of Illinois College Of Veterinary medicine.
应美国伊利诺斯州立大学兽医学院的邀请，该专家组对当前PRRS免疫防治的知识现状进行了讨论。
NEWTOWN, Conn. - Forecast International projects that defense departments worldwide will procure some 1,940 PRC-343 (H4855) Personal Role Radios (PRRs) in the coming years.
国际预测公司预测，未来几年，全球国防部门将采购大约1940个PRC-343（H4855）个人任务电台（PRRs）。
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。
Porcine reproductive and respiratory syndrome(PRRS) and porcine circovirus type 2(PCV-2) are two immunosuppressive diseases which are greatly endangering swine in recent years.
猪繁殖障碍与呼吸道综合征（PRRS）和猪圆环病毒2型（PCV-2）是近几年来严重危害猪群的两大免疫抑制性疾病。
The results showed that the numbers of IEL in tracheas was increased significantly (P<0.01) with PRRS attenuated strain immunization by nasal route contrast to muscle injection and control group;
气管IEL数目的变化：PRRS弱毒株鼻腔免疫组IEL数量比对照组和肌肉免疫组呈极显著增加（P<0.01），PRRS弱毒株肌肉注射免疫组IEL数量与对照组无显著变化。
The results showed that the numbers of IEL in tracheas was increased significantly (P<0.01) with PRRS attenuated strain immunization by nasal route contrast to muscle injection and control group;
气管IEL数目的变化：PRRS弱毒株鼻腔免疫组IEL数量比对照组和肌肉免疫组呈极显著增加（P<0.01），PRRS弱毒株肌肉注射免疫组IEL数量与对照组无显著变化。
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