Figure 2

Mean daily body mass (s.e.m.) according to the four treatments (Day 1–30) in the second half of the experiment. Daily administration of imidacloprid (0.205 mg kg body \(\hbox {mass}^{-1}\)mg/day) occurred from day 4 to 30 after hatching. Food treatment began on day 5. Blood samples were taken on days 15 and 30 (Ad libitum-Control n = 18, Ad libitum-Imidacloprid n = 13, Restricted-Control n = 19, Restricted-Imidacloprid n = 10). Inserted boxplot shows body mass according to treatments on 800 day old birds. Boxes indicate interquartile range, middle lines indicate median, whiskers show the minimum and maximum values within 1.5 \(\times\) the interquartile range while dots outside the whiskers represent outliers (\(<1.5\times\) interquartile range from box).