Prevalence of Yersinia enterocolitica in Pigs Slaughtered in Chinese

Prevalence of Yersinia enterocolitica in Pigs Slaughtered in Chinese 1 Abattoirs 2 Junrong Liang,† Xin Wang,† Yuchun Xiao,† Zhigang Cui,† Shengli Xia,† Qiong 3 Hao,† Jinchuan Yang, Longze Luo, Shukun Wang, Kewei Li, Haoshu Yang, 4 Wenpeng Gu, Jianguo Xu, Biao Kan, and Huaiqi Jing.* 5 National Institute for Communicable Disease Control and Prevention, Chinese Center 6 for Disease Control and Prevention, State Key Laboratory for Infectious Disease 7 Prevention and Control, 102206 Beijing, China, Henan Provincial Centre for 8 Disease Control and Prevention, 450016 Zhengzhou, China, Ningxia Hui 9 Autonomous Region Center for Disease Control and Prevention, 750004 Yinchuan, 10 China, Xuzhou Municipal Centre for Disease Control and Prevention, 221006 11 Xuzhou, China, Sichuan Provincial Centre for Disease Control and Prevention, 12 610041 Chengdu, China, Yuxi Municipal Centre forDisease Control and Prevention, 13 653100 Yuxi, China and Yunnan Provincial Centre for Disease Control and 14 Prevention, 650022 Kunming, China 15 The distribution of Yersinia enterocolitica in slaughtered pigs in China was 16 studied. A total of 8,773 samples were collected and examined from different pig 17 abattoirs in eleven provinces from 2009 to 2011. Of these, 4,495 were 18 oral-pharyngeal swab (tonsils) samples from pigs, 1,239 were from intestinal 19