Fig. 1From: Comparison of efficacy of needle-free injection versus injection by needle for iron supplementation of piglets: a double blind randomized controlled trialBoxplots of Haemoglobin (panel A), Haemotocrit (B) and Body Weight (C) of pigs at day 26 in the three study groups (C control, N Needle injection, NF needle-free injection). The different colours represent the origin from the nine different littersBack to article page