A growth experiment was conducted on cobia(Rachycentron canadum,initial weight 108.2 g ± 3.0 g) to investigate the effects of dietary corn gluten meal(CGM) levels on the fish growth,whole body composition and pro...A growth experiment was conducted on cobia(Rachycentron canadum,initial weight 108.2 g ± 3.0 g) to investigate the effects of dietary corn gluten meal(CGM) levels on the fish growth,whole body composition and protein metabolism in relation to specific gene expression.Five isonitrogenous(crude protein 45%) and isoenergetic(gross energy 20 kJ g 1) practical diets were formulated by replacing 0%(the control),17.5%,35.0%,52.5%,and 70.0% of fish meal(FM) protein with CGM protein.No significant differences were observed in the survival,feed intake(FI),specific growth rate(SGR),feed efficiency(FE) and protein productive value(PPV) among fish fed diets with 0%,17.5%,35.0%,and 52.5% of CGM protein.However,these indices were significantly lower in fish fed the diet with 70.0% of CGM protein than those in fish fed the control diet(P < 0.05).The whole-body crude protein and lipid contents were significantly lower while the whole-body moisture content was significantly higher in fish fed the diet with 70.0% of CGM protein compared with the control group(P < 0.05).When 70.0% of FM protein was replaced by CGM,plasma total protein and cholesterol contents were significantly lower than those in the control group(P < 0.05).Fish fed the diet with 70.0% of CGM protein had significantly lower hepatic insulin-like growth factor I(IGF-I) expression levels than those in the control group(P < 0.05).However,no significant differences were observed in hepatic target of rapamycin(TOR),dorsal muscle IGF-I and TOR expression levels among dietary treatments.Results of the present study indicated that 52.5% of FM protein could be replaced by CGM in the diets without significant influences on the growth,feed utilization and protein metabolism of juvenile cobia.The present results might be useful for developing cost effective and sustainable cobia dietary formulations.展开更多
个人资料姓名：宁泽涛出生日期：1993年3月6日出生地：河南省郑州市身高：191cm运动项目：游泳物年主要奖项：2014年CC T V体坛风云人度最佳男运动员,2014年全国游泳锦标赛男子冠年100米自由泳冠军,2014仁川亚运会四项子混合泳和自由泳...个人资料姓名：宁泽涛出生日期：1993年3月6日出生地：河南省郑州市身高：191cm运动项目：游泳物年主要奖项：2014年CC T V体坛风云人度最佳男运动员,2014年全国游泳锦标赛男子冠年100米自由泳冠军,2014仁川亚运会四项子混合泳和自由泳、男50米军（男子4×100米,和100米自由泳）2015年2月1日,2014体坛风云人物颁奖典礼在北京举行。获得最佳男运动员提名的游泳名将宁泽涛以一身帅气的礼服亮相红毯,为整场典礼掀起了一个高潮。展开更多
基金the National Department Public Benefit Research Foundation(Ministry of Agriculture of the People’s Republic of China,No.201003020)the National Natural Science Foundation of China(No.30901108)Agricultural Scientific and Technological Achievements into Capital 2010GB23600673
文摘A growth experiment was conducted on cobia(Rachycentron canadum,initial weight 108.2 g ± 3.0 g) to investigate the effects of dietary corn gluten meal(CGM) levels on the fish growth,whole body composition and protein metabolism in relation to specific gene expression.Five isonitrogenous(crude protein 45%) and isoenergetic(gross energy 20 kJ g 1) practical diets were formulated by replacing 0%(the control),17.5%,35.0%,52.5%,and 70.0% of fish meal(FM) protein with CGM protein.No significant differences were observed in the survival,feed intake(FI),specific growth rate(SGR),feed efficiency(FE) and protein productive value(PPV) among fish fed diets with 0%,17.5%,35.0%,and 52.5% of CGM protein.However,these indices were significantly lower in fish fed the diet with 70.0% of CGM protein than those in fish fed the control diet(P < 0.05).The whole-body crude protein and lipid contents were significantly lower while the whole-body moisture content was significantly higher in fish fed the diet with 70.0% of CGM protein compared with the control group(P < 0.05).When 70.0% of FM protein was replaced by CGM,plasma total protein and cholesterol contents were significantly lower than those in the control group(P < 0.05).Fish fed the diet with 70.0% of CGM protein had significantly lower hepatic insulin-like growth factor I(IGF-I) expression levels than those in the control group(P < 0.05).However,no significant differences were observed in hepatic target of rapamycin(TOR),dorsal muscle IGF-I and TOR expression levels among dietary treatments.Results of the present study indicated that 52.5% of FM protein could be replaced by CGM in the diets without significant influences on the growth,feed utilization and protein metabolism of juvenile cobia.The present results might be useful for developing cost effective and sustainable cobia dietary formulations.
文摘个人资料姓名：宁泽涛出生日期：1993年3月6日出生地：河南省郑州市身高：191cm运动项目：游泳物年主要奖项：2014年CC T V体坛风云人度最佳男运动员,2014年全国游泳锦标赛男子冠年100米自由泳冠军,2014仁川亚运会四项子混合泳和自由泳、男50米军（男子4×100米,和100米自由泳）2015年2月1日,2014体坛风云人物颁奖典礼在北京举行。获得最佳男运动员提名的游泳名将宁泽涛以一身帅气的礼服亮相红毯,为整场典礼掀起了一个高潮。
