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Table 3 The prevalence of lesions at slaughter based on meat inspection data for organic sow + finisher herds and finisher herds with antimicrobials prescribed in 2016. The p-value reflects the statistical differences in prevalence of lesions at slaughter for the two types of herds

From: Antimicrobial prescription data in Danish national database validated against treatment records in organic pig farms and analysed for associations with lesions found at slaughter

  Sow + finisher herds (N = 19) Finisher herds (N = 25) P-value
Prevalence of lesions at slaughter (%) Gastrointestinal Min 0.00 0.00 0.3
1st quartile 0.00 0.00
Median 0.07 0.04
3rd quartile 0.10 0.09
Max 3.85 0.20
Respiratory Min 1.37 3.51 0.3
1st quartile 7.6 11.6
Median 11.9 23.9
3rd quartile 27.0 28.7
Max 47.8 59.3
Arthropathy Min 0.17 0.05 0.2
1st quartile 0.80 0.62
Median 1.55 1.01
3rd quartile 2.43 1.70
Max 14.8 2.94