Figure 1. Growth rate of Lymnaea stagnalis snails during the experiment.

Bars (size-adjusted mean ± SE) show the specific growth rate of focal individuals with different infection status (unexposed, exposed but unparasitized, exposed and parasitized; parasite: Diplostomum pseudospathaceum) maintained together with another snail individual [competitor; unexposed (white), exposed but unparasitized (grey), exposed and parasitized (black); parasite: D. pseudospathaceum] under (A) ad libitum food supply and (B) reduced food supply (i.e. half of the average food consumption) for ten weeks.