The Epidemic Trend and Preventive Measures of Porcine Reproductive and Respiratory Syndrome
Porcine reproductive and respiratory syndrome(PRRS),commonly known as blue ear disease,swine reproductive and respiratory syndrome virus(PRRSV)is a highly infectious small,encapsulated,righteous single-chain RNA virus,which is popular in almost all pork producing areas in the world.Is in the late 1980s a new type of infectious disease,it is caused by pig breeding and respiratory syndrome virus(PRRSV)of a pig,at present our country has classified the disease as a kind of infectious disease,it can be a serious threat to pig health,reduce the performance,pig to our pig industry caused huge losses.When susceptible pigs are infected with the virus through horizontal transmission and vertical transmission,they are prone to the disease.According to their clinical symptoms and course,they can be divided into acute blue ear disease stage and chronic blue ear disease stage.This paper mainly introduces the clinical symptoms of blue ear disease in different pig groups,the epidemiological characteristics of the disease,and puts forward the corresponding prevention and control and treatment measures,referring to the scientific prevention and treatment of blue ear disease in pig production.
pig blue ear diseaseepidemic characteristicsprevention and control