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Table 1 Yearly distribution of total and real-time PCR-positive environmental swabs collected from trucks before and after cleaning and disinfection operations

From: The role of transportation in the spread of Brachyspira hyodysenteriae in fattening farms

Year Before cleaning After cleaning Farmsa
Total Positive % Total Positive % Total Positive %
2012 247 6 2.43% 174 0 0.00% 134 6 4.48%
2013 110 1 0.91% 86 0 0.00% 72 1 1.39%
2014 89 4 4.49% 76 2 2.63% 70 4 5.71%
2015 530 50 9.43% 427 2 0.47% 264 37 14.02%
TOT 976 61 6.25% 763 4 0.52% 540 48 8.89%
  1. aNumber of farms from which the pigs transported by trucks originated