文献类型： 外文期刊
作者： Wang, C. 1 ; Hou, S. S. 1 ; Huang, W. 1 ; Xu, T. S. 3 ; Rong, G. H. 1 ; Xie, M. 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Anim Sci, Beijing 100193, Peoples R China
2.Chongqing Acad Anim Sci, Chongqing 402460, Peoples R China
3.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Res Inst, Danzhou 571737, Hainan, Peoples R China
关键词： duck;arginine;appetite;nitric oxide
期刊名称：POULTRY SCIENCE （ 影响因子：3.352； 五年影响因子：3.679 ）
ISSN：
年卷期：
页码：
收录情况： SCI
摘要： The objective of the study was to investigate the mechanism by which arginine regulates feed intake in Pekin ducks. In experiment 1, one hundred forty-four 1-d-old male Pekin ducks were randomly allotted to 3 dietary treatments with 6 replicate pens of 8 birds per pen. Birds in each group were fed a corn-corn gluten meal diet containing 0.65, 0.95, and 1.45% arginine. Ducks fed the diet containing 0.65% arginine had lower feed intake and plasma nitric oxide level ( P < 0.05) than the other 2 groups. In experiment 2, twenty 11-d-old ducks were allotted to 1 of 2 treatments. After 2 h fasting, birds in the 2 groups were intraperitoneally administrated saline and L-NG-nitro-arginine methyl ester HCl ( L-NAME) for 3 d, respectively. Feed intake ( P < 0.07) and plasma nitric oxide concentration ( P < 0.05) 2 h postinjection in the L-NAME administered group were lower than those of the control group. In conclusion, the study implied that arginine modifies feeding behavior possibly through controlling endogenous synthesis of nitric oxide in Pekin ducks
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