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Table 2 The number of ADD per produced animals per year for conventional and organic pig herds registered in CHR in 2016. The number of ADD for weaners and finishers are divided into the three predominant indications for which antimicrobials are prescribed in the Danish pig production

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

Age group Indication ADD/produced animals/year Distribution per age group
Conventional Organic Conventional Organic
Weaners (7–30 kg) Gastro-intestinal 5.61 0.31 80% 65%
Respiratory 0.68 0.15 10% 30%
Arthropathy 0.72 0.03 10% 5%
Total 7.01 0.49 100% 100%
Finishers (> 30 kg) Gastro-intestinal 1.00 0.19 68% 54%
Respiratory 0.15 0.02 10% 6%
Arthropathy 0.32 0.14 22% 40%
Total 1.47 0.35 100% 100%