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Table 3 Comparison of median treatment incidences (TI) for different age categories before and after intervention (n = 67)

From: Effectiveness of alternative measures to reduce antimicrobial usage in pig production in four European countries

ParameterMedian before intervention
(Q25; Q75)
Median after intervention
(Q25; Q75)
p-valueaDifference in percentage (%)
TI suckling pigs279.9 (158.0; 484.6)176.2 (80.2; 391.7)< 0.001− 37
TI weaned pigs568.0 (113.1;1072.3)261.2 (54.4; 573.1)< 0.001−54
TI fattening pigs8.0 (0.8;37.7)7.7 (0.8; 44.0)0.89−3
TI200d247.3 (92.7; 451.8)160.2 (59.7; 303.6)< 0.001−35
TI breeding pigs14.0 (4.5; 32.0)17.1 (4.2; 45.3)0.5+ 18
  1. a Wilcoxon signed rank test (n = 67 farrow-to-finish herds). Significant (p < 0.05) results are highlighted in bold