Effect of Diet Supplemented with Rumen-protected 5-Hydroxytryptophan on the Concentration of 5-Hydroxytryptophan and Melatonin in the Plasma of Sheep
Fang Zhao, Gen Wang, Xiaobin Li, Guodong Zhao, Hui Chen, Chen Ma and Kailun Yang*
Xinjiang Key Laboratory of Meat and Milk Production Herbivore Nutrition, Xinjiang Agricultural University, No. 311, Nongda East Road, Shayibake District, Urumqi 830052, China
Fig. 1.
Plasma 5-hydroxytryptophan (A) tryptophan (B) 5-hydroxytryptamine (C) and melatonin (D) concentrations in the sheep provided diet supplemented with 55.5 mg/kg BW RPT 5-HTP or 111 mg/kg BW RPT 5-HTP at 07:30 h.
Control (♦-♦); CT+111(■-■); CT+222(▲-▲). The below abscissa shows the time after feeding. The data are presented as mean ± S.D. The means within a time point without common superscripts were significantly different (P < 0.05). *P < 0.05.