Molecular epidemiological investigation and genetic variation analysis of porcine reproductive and respiratory syndrome virus
Abstract
Porcine reproductive and respiratory syndrome (PRRSV) is a reproductive disorder and respiratory infectious disease of pigs caused by virus (PRRSV). Its clinical characteristics are fever and anorexia in sows, abortion in late pregnancy, and easy to give birth to stillbirth; Piglets with respiratory symptoms and increased mortality before weaning, commonly known as blue-ear disease, can also cause immunosuppression, infection and other diseases immune failure. The constant variation of PRRSV has caused huge economic losses to China’s pig industry chain.
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DOI: https://doi.org/10.18686/ppas.v5i1.1662
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