山东省出现无临床感染症状的猪圆环病毒3型。
The occurrence of porcine circovirus 3 without clinical infection signs in Shandong Province.
作者信息
Zheng S, Wu X, Zhang L, Xin C, Liu Y, Shi J, Peng Z, Xu S, Fu F, Yu J, Sun W, Xu S, Li J, Wang J
机构信息
Division of Swine Diseases, Shandong Provincial Key Laboratory of Animal Disease Control & Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, China.
Qingdao Agricultural university, Qingdao, China.
出版信息
Transbound Emerg Dis. 2017 Oct;64(5):1337-1341. doi: 10.1111/tbed.12667. Epub 2017 Jun 26.
Abstract
Porcine circovirus type 3 (PCV3) was detected in Shandong, China. One hundred and thirty-two of 222 (59.46%) samples were PCV3 positive, while 52 of 132 (39.39%) samples were co-infected with PCV2. There were no clinical signs of infection in either multiparous sows or live-born infants. Two strains of PCV3 were indentified from natural stillborn foetuses. Phylogenetic analysis showed the two strains of PCV3 are 96% identical to the known PCV3/Pig/USA (KX778720.1, KX966193.1 and KX898030.1) and closely related to Barbel Circovirus. Further studies of the epidemiology of PCV3 and the co-infection with PCV2 are needed.
摘要
在中国山东检测到了猪圆环病毒3型（PCV3）。222份样本中有132份（59.46%）PCV3呈阳性，而132份样本中的52份（39.39%）与PCV2共同感染。经产母猪或活产仔猪均无感染的临床症状。从自然死胎中鉴定出两株PCV3。系统发育分析表明，这两株PCV3与已知的PCV3/猪/美国（KX778720.1、KX966193.1和KX898030.1）有96%的同源性，并且与鲤科环病毒密切相关。需要对PCV3的流行病学及其与PCV2的共同感染进行进一步研究。
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