Figure 4From: 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 AgRP, NPY, MC4R, POMC and CRF 2 h after glutamate ICV injection; 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