广东地区健康猪群和发病猪群猪链球菌流行病学调查分析

doi:10.16431/j.cnki.1671-7236.2017.06.035

Abstract

Abstract:

To investigate the epidemics of Streptococcus suis in Guangdong province, 228 samples from infected pigs,and 698 samples from healthy pigs including 243 samples from tonsils of slaughtered pigs and 455 nasal swabs of healthy pigs were analyzed.The results showed that the positive rate of Streptococcus suis of infected,healthy and slaughtered pigs were 82.02%(187/228),42.20%(192/455) and 32.10%(78/243),respectively.187 strains of Streptococcus suis were isolated from infected pigs and serotyped in 11 serotypes,including serotype SS1,SS2,SS3,SS4,SS7,SS8,SS9,SS16,SS19,SS29 and SS31, in which serotype SS2(16.58%),SS3(9.63%) and SS19 (7.49%) were dominant,flowed by SS7(6.95%)and SS9(5.34%),and 48.66% strains were non-typabled.Meanwhile,154 strains of Streptococcus suis from healthy swine(including farms and slaughter houses) were classified into 17 serotypes,including serotype SS2,SS3,SS4,SS5,SS7,SS8,SS9,SS10,SS12,SS15,SS16,SS17,SS19,SS21,SS23,SS29 and SS30,in which SS2(18.83%) and SS29(14.94%)were dominant,flowed by SS16(6.50%) and 31.82% strains were non-typabled.

Key words: Streptococcus suis; healthy swine; infected swine; epidemiological analysis

CLC Number:

S852.6

LIU Qi, WANG Juan, ZHOU Ru-yue, JIA Ai-qing, WANG Gui-ping. The Streptococcus suis Epidemiological Analysis of Healthy and Infected Swine in Guangdong Province[J]. , 2017, 44(6): 1825-1831.

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The Streptococcus suis Epidemiological Analysis of Healthy and Infected Swine in Guangdong Province

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