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HUANG Shao-qian, YU Fu-song, FANG Qin-mei, GUO Chang-ming, ZHU Ji-chang, LIN Tian-long. Carriers of Streptococcus suis type 2 among slaughtered pigs in Fujian[J]. Fujian Journal of Agricultural Sciences, 2009, 24(5): 400-403.
Citation:
HUANG Shao-qian, YU Fu-song, FANG Qin-mei, GUO Chang-ming, ZHU Ji-chang, LIN Tian-long. Carriers of Streptococcus suis type 2 among slaughtered pigs in Fujian[J]. Fujian Journal of Agricultural Sciences, 2009, 24(5): 400-403.
HUANG Shao-qian, YU Fu-song, FANG Qin-mei, GUO Chang-ming, ZHU Ji-chang, LIN Tian-long. Carriers of Streptococcus suis type 2 among slaughtered pigs in Fujian[J]. Fujian Journal of Agricultural Sciences, 2009, 24(5): 400-403.
Citation:
HUANG Shao-qian, YU Fu-song, FANG Qin-mei, GUO Chang-ming, ZHU Ji-chang, LIN Tian-long. Carriers of Streptococcus suis type 2 among slaughtered pigs in Fujian[J]. Fujian Journal of Agricultural Sciences, 2009, 24(5): 400-403.
One-hundred-twenty-one nasopharyngeal swab samples of slaughtered,clinically healthy pigs from 3 slaughter houses in different areas of Fujian were collected for isolation of Streptococcus suis type 2(SS2) and detection of the virulence genotype with specific PCR.The results showed a total positive rate of SS2 of 14.0%(17/121) among the pigs sampled.The positive rates in Fuzhou,Ningde and Putian were 10.9%(7/64),11.8%(4/34) and 26.1%(6/23),respectively.The PCR amplified products of the cps2J gene from 3 isolates were all 675bp in size. The cps2J gene nucleotide homology between the isolates and the SS2 strain,as published in Genbank,ranged from 98%-100%.The virulence genotypes of the 3 isolates were all gdh+/cps2J+/mrp+/ef-/sly-/fbps+/orf2+. The results suggested that the SS2 existed in the clinically healthy pigs in the selected areas of Fujian.The virulence genotype of the SS2 isolated in this study was not previously known.