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Fig. 2. Food consumption (A), growth rates (B) and growth efficiency (C) of control
and size-selected Helix aspersa snails in the fast-growth ontogenetic
phase (exponential-like part of growth curve; see
Fig. 1). Growth efficiency is
the ratio of the average increase of snail whole mass to food consumption.
Symbols denote family-specific mean values calculated from data for 3-week
intervals. Whisker charts show least-square means with 95% confidence
intervals estimated at mean value of body mass, with the aid of GLM from
Table 2.