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Table 1 Antimicrobial consumption in pigs in the Netherlands in 2012 expressed as numbers of DDDANL/Y, ADDDK/Y and DADDDK/Y is shown for all delivery records (incl.) and after exclusion of the 13950 delivery records (excl.) that could not be matched to a Danish equivalent

From: Influence of applying different units of measurement on reporting antimicrobial consumption data for pig farms

  Farm type No. of farms Total no. animals Total no. of treatment daysb Meanc Proportion of reference (%)
DDDANL/Y (excl.) Sows/piglets 2326 957210a 18381559 19.2 Reference
  Finisher pigs 4606 5388248 63476046 11.8 Reference
ADDDK/Y Sows/piglets 2326 957210 15328970 16.0 83.3
  Finisher pigs 4606 5388248 62321913 11.6 98.3
DADDDK/Y Sows/piglets 2326 957210 14658460 15.3 79.7
  Finisher pigs 4606 5388248 56189202 10.4 88.1
DDDANL/Y (incl.) Sows/piglets 2338 957315 18796613 19.6 102.1
  Finisher pigs 4628 5401503 63786742 11.8 100.0
  1. aOnly the sows are counted. The piglets and gilts are incorporated in the standardized animal weight. See text for details
  2. bTotal treatable kilograms*days based on the antimicrobial deliveries per farm type for the whole year 2012. The total treatable kilograms*days were then divided by the standardized animal weight (303.8 kg for sows/piglets and 70 kg for finisher pigs) to calculate total treatment days
  3. cThe mean was calculated by dividing the total no. of treatable animals based on antimicrobial deliveries by the total number of animals present per farm type
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