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Table 1 Prevalence of TTV genogroups in different breeds of pig

From: Molecular detection of Torque teno virus in different breeds of swine

Farm Breed Prevalence of swine TTV genogroup
   TTV1 or TTV2 TTV1 TTV2 TTV1 and TTV2
   Positive Prevalence Positive Prevalence Positive Prevalence Positive Prevalence
A Chenghua pig(n = 25) 23 92.0% 20 80.0% 19 76.0% 18 72.0% a, b
  Rongchang pig(n = 38) 37 97.4% 26 68.4% 25 65.8% 16 42.1% a,
  Wild boar(n = 20) 19 95.0% 15 75.0% 16 80.0% 12 60.0% a, b
  Zibet pig(n = 10) 10 100% 9 90.0% 10 100% 9 90.0% b
Total n = 93 89 95.7% 70 75.3% 70 75.3% 55 59.1%
B Landrace (n = 25) 24 96.0% 21 84.0% 23 92.0% 20 80.0% a, b
  Large Yorkshire(n = 16) 16 100% 13 81.5% 15 93.4% 13 81.5% a, b
  Rongchang pig(n = 42) 39 92.9% 29 69.0% 31 73.8% 19 45.2% a
  Duroc (n = 32) 32 100% 29 90.6% 32 100% 29 90.6% b
Total n = 115 111 96.5% 92 80.0% 101 87.8% 81 70.4%
  1. Number of analyzed serum samples from different swine breeds in each farms (n), total amount of positive animals, prevalence of in percentage, different farms (A, B), and different letters (a, b, c) within the same column mean statiscal significant differences in different breeds and sources TTV prevalence when comparing one breed/source to another.