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Table 2 Summary of antimicrobial use at farm level expressed in mg/PCU and in treatment incidence (TI) per age category (piglet, weaner, finisher and sow) and the standardised 200-day rearing period (TI200). Median values are shown with minima and maxima in brackets

From: Quantification, description and international comparison of antimicrobial use on Irish pig farms

  mg/PCU TI200 TIpiglet TIweaner TIfinisher TIsow
Overall 93.93 (1.01–1196.00) 15.37 (0.22–169.15) 6.32 (0.28–72.42) 34.36 (0.18–237.64) 0.70 (0.01–130.84) 0.19 (0.01–7.52)
Medicated feed 78.25 (0–1023.10) 12.87 (0–154.93) 1.29 (0–11.86) 32.54 (0–233.18) 0 (0–104.77) 0 (0–7.47)
Water 0.40 (0–150.79) 0.3 (0–33.12) 0.16 (0–69.74) 0.28 (0–42.78) 0 (0–25.94) 0 (0–1.78)
Top dressing 0.03 (0–29.15) 0 (0–1.39) 0 (0–0) 0 (0–1.53) 0 (0–1.28) 0 (0–2.25)
Oral doses 0 (0–0.72) 0 (0–0.24) 0 (0–1.19) 0 (0–0) 0 (0–0) 0 (0–0)
Injectable 3.91 (0.47–19.36) 1.17 (0.14–11.42) 2.43 (0.27–36.39) 0.58 (0.05–9.72) 0.32 (0.01–3.92) 0.10 (0.01–1.03)
EMA category B antimicrobials a 0.18 (0–5.77) 0.24 (0–13.13) 0.39 (0–64.27) 0.16 (0–4.78) 0 (0–0.80) 0 (0–0.49)
  1. aEuropean Medicines Agency category B antimicrobials include polymyxins, fluoroquinolones and 3rd and 4th generation cephalosporins [43]