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Advances in the immunosuppression of porcine reproductive and respiratory syndrome virus. [PDF]

Front Vet Sci
Li H, Lv C, Wang R, Zhao X, Huang L, Zhao M.   +5 more
europepmc   +1 more source

The jigsaw of PRRSV virulence [PDF]

Veterinary Microbiology, 2021
Porcine reproductive and respiratory syndrome virus (PRRSV) is the causative agent of the, probably, most economically important disease for the pig industry worldwide. This disease, characterised by producing reproductive failure in sows and respiratory problems in growing pigs, appeared in the late 1980s in the United States and Canada.
Jaime Gómez-Laguna, Inés Ruedas Torres, I M Rodríguez-Gómez   +2 more
exaly   +7 more sources

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Simultaneous detection of classical PRRSV, highly pathogenic PRRSV and NADC30-like PRRSV by TaqMan probe real-time PCR

Journal of Virological Methods, 2020
Porcine Reproductive and Respiratory Syndrome (PRRS), an acute infectious disease caused by the porcine reproductive and respiratory syndrome virus (PRRSV), is one of the most devastating diseases affecting the global swine industry. In order to establish a multiplex real-time PCR method for the simultaneous detection of the classical PRRSV (C-PRRSV ...
Lihui Guo, Jianli Shi
exaly   +3 more sources

A longitudinal study on PRRSV detection in swine herds with different demographics and PRRSV management strategies

Transboundary and Emerging Diseases, 2021
AbstractPorcine reproductive and respiratory syndrome virus (PRRSV) has been one of the major health‐related concerns in the swine production industry. Through its rapid transmission and mutation, the simultaneous circulation of multiple PRRSV strains can be a challenge in PRRSV diagnostic, control and surveillance.
Magnus R. Campler, Ting‐Yu Cheng, Declan C. Schroeder, M. Yang, Sunil K. Mor, Juliana B. Ferreira, Andréia. G. Arruda   +6 more
openaire   +2 more sources

A comparison of commercial modified-live PRRSV-1 and PRRSV-2 vaccines against a dual heterologous PRRSV-1 and PRRSV-2 challenge in late term pregnancy gilts

Comparative Immunology, Microbiology and Infectious Diseases, 2020
This study compared the efficacy, in terms of reproductive performance, of a porcine reproductive and respiratory syndrome virus (PRRSV)-1 or PRRSV-2 modified-live virus (MLV) vaccine against a dual heterologous PRRSV-1 and PRRSV-2 challenge. Gilts were administered either the PRRSV-1 or PRRSV-2 MLV vaccine at 21 days prior to breeding and were ...
Siyeon Yang, Taehwan Oh, Hyejean Cho, Chanhee Chae   +3 more
openaire   +2 more sources

A natural recombinant PRRSV between HP-PRRSV JXA1-like and NADC30-like strains

Transboundary and Emerging Diseases, 2018
Porcine reproductive and respiratory syndrome virus (PRRSV) is a major economically significant pathogen that has adversely affected China's swine industry. Currently, a novel type 2 PRRSV, called the NADC30-like strain, is epidemic in numerous provinces of China, and commercial vaccines provide limited protection for infected animals.
Gang Wang
exaly   +3 more sources

Comparison of four commercial PRRSV MLV vaccines in herds with co-circulation of PRRSV-1 and PRRSV-2

Comparative Immunology, Microbiology and Infectious Diseases, 2019
The efficacy of four commercial porcine reproductive and respiratory syndrome virus (PRRSV) modified-live virus (MLV) vaccines against respiratory disease was evaluated and compared in pig farms suffering from co-infection with PRRSV-1 and PRRSV-2.
Taehwan, Oh, Hanjin, Kim, Kee Hwan, Park, Jiwoon, Jeong, Siyeon, Yang, Ikjae, Kang, Chanhee, Chae   +6 more
openaire   +2 more sources

Effects of PRRSV Infection on the Porcine Thymus

Trends in Microbiology, 2020
Porcine reproductive and respiratory syndrome virus (PRRSV) dramatically affects the thymus and its ability to carry out its normal functions. In particular, infection incapacitates PRRSV-susceptible CD14pos antigen-presenting cells (APCs) in the thymus and throughout the body.
En-Min Zhou, Xuehui Cai, Jeffrey Zimmerman   +2 more
exaly   +3 more sources

Improved Vaccine against PRRSV: Current Progress and Future Perspective [PDF]

Frontiers in Microbiology, 2017
Porcine reproductive and respiratory syndrome virus (PRRSV), one of the most economically significant pathogens worldwide, has caused numerous outbreaks during the past 30 years. PRRSV infection causes reproductive failure in sows and respiratory disease
En-Min Zhou, Yuchen Nan, Chunyan Wu
exaly   +3 more sources

Efficacy of concurrent vaccination with modified-live PRRSV-1 and PRRSV-2 vaccines against heterologous dual PRRSV-1 and PRRSV-2 challenge in late term pregnancy gilts

Veterinary Microbiology, 2019
The objective of this study was to evaluate the effect of concurrent vaccination with a porcine reproductive and respiratory syndrome virus (PRRSV)-1 modified-live virus (MLV) vaccine and a PRRSV-2 MLV vaccine against a dual heterologous PRRSV-1 and PRRSV-2 challenge in late term pregnancy gilts. Gilts were concurrently administered PRRSV-1 and PRRSV-2
Siyeon, Yang, Taehwan, Oh, Ikjae, Kang, Su-Jin, Park, Chanhee, Chae   +4 more
openaire   +2 more sources