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Table 2 Apparent (Ap) and true prevalence (Tp) of F. hepatica for ‘HerdAhead’ herds

From: Determining the Prevalence and Seasonality of Fasciola hepatica in Pasture-based Dairy herds in Ireland using a Bulk Tank Milk ELISA

  Apparent prevalence True prevalence
% % CI*
March 52.0 52.1 45.9-58.2
June 53.8 53.9 47.8-60.1
August 62.5 63.0 57.0-68.9
November 75.1 76.1 70.8-81.4
  1. *95 % Confidence interval (CI)