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Table 1 Global prevalence of Giardia duodenalis infection in pigs

From: Prevalence and multilocus genotyping of Giardia duodenalis in pigs of Shaanxi Province, northwestern China

Country (City) No. examined Prevalence (%) Locus Detection method Time tested (year) Reference
Australia (unknown) 289 31.1 SSU rRNA PCR 2005–2006 [41]
Canada (Edward) 633 1.0 SSU rRNA, bg Immunofluorescence microscopy and PCR 2007 [48]
Canada (Ontario) 122 66.4 SSU rRNA, bg Immunofluorescence microscopy and PCR 2005–2006 [42]
Canada (unknown) 236 9.0 a Immunofluorescence microscopy 1995 [54]
Cambodia (Preah Vihear) 76 0 SSU rRNA Immunofluorescence microscopy and PCR 2012 [49]
China (Shaanxi) 560 8 bg, tpi, gdh PCR 2016–2017 This study
Denmark (unknown) 1237 17.4 a Immunofluorescence microscopy 2003–2004 [43]
Denmark (unknown) 856 14.0 SSU rRNA, gdh Immunofluorescence microscopy and PCR 2011–2012 [44]
Denmark (unknown) 1237 17.4 SSU rRNA, gdh PCR 2003–2004 [45]
Turkey (Istanbul) 238 3.7 a Immunofluorescence microscopy 2005 [50]
Norway (unknown) 684 1.5 SSU rRNA Immunofluorescence microscopy and PCR 2004–2005 [51]
Poland (unknown) 84 9.5 bg Immunofluorescence microscopy and PCR 2013–2014 [46]
UK (Preston, Cheshire) 7 57.1 SSU rRNA PCR 2007–2008 [47]
USA (Ohio) 325 7.4 a Immunofluorescence microscopy 1993 [52]
Zambia (Lusaka) 217 12.0 a Immunofluorescence microscopy 2011 [25]
  1. aPCR not used to amplify gene locus