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Table 1 Details of the calves sampled and the FECRT values following ivermectin treatment

From: Ivermectin treatment failure on four Irish dairy farms

Calf details (day 0) % Reduction in faecal egg count on day 14
Farm Sampling date No. calves sampled Mean (s.d.) calf live weight (kg) Pre-treatment FEC (arithmetic mean) 95% CI Median Mode
1 June 28th 2016 15 134 (18.6) 97 3.1–29.3 16.4 17.3
2 June 28th 2016 14 163 (25.3) 90 72.3–84.9 79.4 80.2
3 July 25th 2016 14 138 (14.8) 46 4.2–41.1 23.4 25.9
4 July 27th 2016 12 138 (10.9) 37 54.5–80.9 70 71.7
  1. FECRT Faecal egg count reduction test
  2. CI Confidence interval
  3. S.D Standard deviation