2018年广西重要猪源病毒性疫病流行病学调查

doi:10.16431/j.cnki.1671-7236.2020.01.021

Abstract

Abstract: To investigate the epidemiology of major porcine viral diseases in Guangxi during 2018,clinical tissue samples were detected by multiplex Real-time RT-PCR for classical swine fever virus (CSFV) and porcine reproductive and respiratory syndrome virus (PRRSV),multiplex Real-time PCR for porcine pseudorabies virus (PRV),porcine circovirus (PCV) type 1 (PCV1),PCV2 and PCV3.Clinical diarrhea samples were detected by multiplex RT-PCR for porcine epidemic diarrhea virus (PEDV),porcine deltacoronavirus (PDCoV),porcine transmissible gastroenteritis virus (TGEV) and porcine rotavirus (PRoV).The results showed that of 694 tissue samples detected,the positive rates of CSFV,PRRSV,HP-PRRSV,PRV,PCV1,PCV2,PCV3 were 11.10%,18.88%,7.20%,5.19%,2.45%,67.00% and 5.76%,respectively,of which co-infection rates of two pathogens and three pathogens were 41.21% and 4.32% respectively,and PRRSV and PCV2 co-infection rate was the highest.792 diarrhea samples (intestinal contents and rectal swabs) were detected,the positive rates of PEDV,PDCoV,TGEV and PRoV were 9.72%,5.81%,1.77% and 6.31%,respectively,of which co-infection rate of two pathogens was 5.30%,and PEDV and PRoV co-infection rate was the highest.The results indicated that several major viral diseases were still widespread distribution in swine herds from Guangxi,and mixed infections were common.It should be further imposed for epidemic surveillance,prevention and control of these diseases in the future.

Key words: swine; viral disease; epidemiological investigation; surveillance

CLC Number:

S858.28

SHI Kaichuang, YIN Yanwen, WANG Xiaode, XIE Shouyu, SHI Yongsheng, LIU Hongmei, LU Wenjun, QU Sujie, FENG Shuping, SU Yanqiong. Epidemiological Investigation of Major Porcine Viral Diseases in Guangxi During 2018[J]. China Animal Husbandry and Veterinary Medicine, 2020, 47(1): 174-181.

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Epidemiological Investigation of Major Porcine Viral Diseases in Guangxi During 2018

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