Figure 2From: Effects of "Bioactive" amino acids leucine, glutamate, arginine and tryptophan on feed intake and mRNA expression of relative neuropeptides in broiler chicksRelative mRNA expression levels for hypothalamic MC4R, POMC, CRF, NPY and AgRP 2 h after ICV injection of leucine; Data are represented as means ± S.E.M. (n = 6). Asterisk indicates significant difference from control group within each time point (P < 0.05).Back to article page