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Table 4 Seroprevalence results per principal intervention measure for the five pig farms during the intervention period

From: Effectiveness and costs of interventions to reduce the within-farm Toxoplasma gondii seroprevalence on pig farms in the Netherlands

Principal intervention measure Farm # Odds Ratio (95% CI) Reduction in seroprevalence (%)
Cat neutering 1, 2, 3 0.33 (0.22 – 0.45) 67 % (55% – 78%)
Professional rodent control 4 3.00 (0.13 – 14.60) n.a.a
Feed coverage 5 0.04 (-∞ – 0.23) 96 % (77% – 100%)
  1. aThe estimated reduction in seroprevalence was only calculated for the intervention measure where the OR 95% confidence interval did not include 1