Description of C. forsteri infection by % prevalence (P) (95% confidence interval) and mean intensity (I) (95% confidence interval) for adults within the heart, eggs within the heart and eggs within the gills of T. maccoyii.

Significant letters denote statistical differences at p2009A, Cohort2009B and between Cohortswild & Cohort2010. Intensity could not be directly compared statistically on samples with no infection present or with only one infected individual, denoted with a superscript n.a.