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Coexistent infection event of porcine reproductive and respiratory syndrome virus, porcine circovirus type 2 and Pasteurella multocida in swine
Author(s)
Date Issued
July 1, 2024
Type
Article
Abstract
Result elucidated the instances of concurrent infections by crucial pathogens in pigs, which is adversely impacted the herd's health status on a farm located in the Rachaburi province of Thailand. The farm which accommodated a population of 700 sows had found its fattening pig units exhibited unsatisfactory growth performance and an inconsistent size appearance. The serum samples underwent the testing via enzyme linked immunosorbent assay, unveiled a substantial antibody response to the porcine reproductive and respiratory syndrome virus (PRRSV). The finding strongly indicated the prevalence of PRRSV infection within the farm. Furthermore, analysis of lymph node samples confirmed the presence of porcine circovirus type 2 (PCV2) through conventional polymerase chain reaction. The bacterial culture carried out on lung samples which detected an infection caused by Pasteurella multocida. In summary, the investigation is conclusively established the occurrence of a mixed infection involving both viruses and bacteria on this farm, specifically PRRSV, PCV2, and P. multocida. The report is illustrated the possibility of multiple infections by viruses and bacteria, which can potentially undermine the efficacy of vaccinations and cause severe clinical signs on the farm.
Citation
International Journal of Agricultural Technology, 20(4), 1631-1638, 2024