Article
Prevalence and genetic evolution of porcine reproductive and respiratory syndrome virus in commercial fattening pig farms in China
22 Jan 2024
Abstract excerpt
BACKGROUND: To investigate the prevalence and evolution of Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) at commercial fattening pig farms, a total of 1397 clinical samples were collected from a single fattening cycle at seven pig farms in five provinces of China from 2020 to 2021. RESULTS: The RT‒PCR results revealed that PRRSV was present on all seven farms, and the percentage of PRRSV-positive...
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