[1]王丽娜,刘文斌,张春暖,等.饲料中非蛋白能源物质对黄颡鱼幼鱼生长及生理生化指标的影响[J].南京农业大学学报,2014,37(1):108-114.[doi:10.7685/j.issn.1000-2030.2014.01.018]
 WANG Lina,LIU Wenbin,ZHANG Chunnuan,et al.Effects of dietary non-protein energy sources on growth, physiology and biochemistry of yellow catfish(Pelteobagrus fulvidraco)[J].Journal of Nanjing Agricultural University,2014,37(1):108-114.[doi:10.7685/j.issn.1000-2030.2014.01.018]
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饲料中非蛋白能源物质对黄颡鱼幼鱼生长及生理生化指标的影响()
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《南京农业大学学报》[ISSN:1000-2030/CN:32-1148/S]

卷:
37卷
期数:
2014年1期
页码:
108-114
栏目:
出版日期:
2014-01-10

文章信息/Info

Title:
Effects of dietary non-protein energy sources on growth, physiology and biochemistry of yellow catfish(Pelteobagrus fulvidraco)
作者:
王丽娜 刘文斌 张春暖 李向飞 徐维娜 蔡东森 田红艳
南京农业大学动物科技学院/江苏省水产动物营养重点实验室, 江苏 南京 210095
Author(s):
WANG Lina LIU Wenbin ZHANG Chunnuan LI Xiangfei XU Weina CAI Dongsen TIAN Hongyan
Key Laboratory of Aquatic Animal Nutrition and Feed Science of Jiangsu Province/College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
关键词:
黄颡鱼糖脂比生长性能体组成消化酶活性脂肪代谢
Keywords:
yellow catfishcarbohydrate/lipid ratiosgrowth performancebody compositiondigestive enzymes activitieslipid metabolism
分类号:
S963
DOI:
10.7685/j.issn.1000-2030.2014.01.018
摘要:
探讨了饲料中不同糖脂比(CHO:L)对黄颡鱼(Pelteobagrus fulvidraco)幼鱼生长性能、体组成和脂肪代谢的影响。试验采用6组等氮等能的半纯和饲料投喂黄颡鱼幼鱼,其CHO:L分别为1.11、1.67、2.45、3.63、5.58和9.50,网箱养殖8周。研究结果表明,饲料中不同CHO:L对幼鱼成活率无显著影响(P>0.05)。增质量率、特定生长率、蛋白质效率、氮保留率和能量保留率均随着CHO:L的升高呈现先升高后降低的趋势(P<0.05),且均在CHO:L为3.63时达最大值。肝体比、脏体比、全鱼水分含量、肝糖原和肌糖原含量均随饲料CHO:L的升高而显著升高(P<0.05),全鱼、肝脏和肌肉脂肪含量显著降低,而胴体率、肥满度、全鱼蛋白质和灰分含量则均无显著变化。胃、肠道淀粉酶活性随着饲料CHO:L的升高显著升高,脂肪酶活性显著降低,蛋白酶活性则呈现先升高后降低的趋势。此外,血浆总胆固醇和甘油三酯含量以及肝脏脂蛋白脂酶、肝脂酶和总脂酶活性均随着CHO:L的升高显著降低,而游离脂肪酸含量则无显著变化。对增质量率和饲料中糖与脂肪水平分别进行回归分析,得出黄颡鱼幼鱼饲料的适宜糖和脂肪水平分别为29.16%和7.94%,最适CHO:L为3.67。
Abstract:
This study aimed to investigate the effects of dietary carbohydrate/lipid(CHO:L)ratios on growth performance,body composition and lipid metabolism of yellow catfish(Pelteobagrus fulvidraco).Fish were fed with six isonitrogenous and isoenergetic diets(the CHO:L ratios of 1.11,1.67,2.45,3.63,5.58,9.50)in cages for 8 weeks.The results indicated that survival rate showed little difference(P>0.05)among all the treatments.The best weight gain,specific growth rate,feed conversion ratio,protein efficiency ratio and nitrogen and energy retention efficiency were all observed in fish fed with the diet with a CHO:L ratio of 3.63.Hepatosomatic index,viscerosomatic index,whole-body moisture content,and liver and muscle glycogen contents all increased significantly(P<0.05)as dietary CHO:L ratios increased,while lipid contents of whole-body,liver and muscle all decreased significantly(P<0.05)with increasing CHO:L ratios.Dressout percentage,condition factor,whole-body protein and ash contents showed little difference(P>0.05)among all the treatments.Contrary to lipase activities,stomach and intestine amylase activities increased significantly(P<0.05)as dietary CHO:L ratios increased.The stomach protease activities increased significantly(P<0.05)as dietary CHO:L ratios ranged from 1.11 to 3.63,but decreased significantly with the further increasing CHO:L ratios.In addition,plasma lipid contents,lipoproteinlipase and hepatic lipase all decreased significantly as dietary CHO:L ratios increased(P<0.05),while plasma non-esterified fatty acid levels showed little difference(P>0.05).Based on the second-order regression analysis of weight growth ratio,the optimal dietary carbohydrate and lipid contents for yellow catfish were 29.16% and 7.94%,respectively,with a corresponding dietary CHO:L ratio of 3.67.

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相似文献/References:

[1]夏晓勤,王伟俊.黄颡鱼寄生三代虫的新发现[J].南京农业大学学报,1998,21(2):127.[doi:10.7685/j.issn.1000-2030.1998.02.026]

备注/Memo

备注/Memo:
收稿日期:2013-4-24;改回日期:。
基金项目:江苏省三项工程项目(PJ2011-54)
作者简介:王丽娜,硕士研究生。
通讯作者:徐维娜,博士,副教授,研究方向为水产动物生理与营养学,E-mail:xuweina@njau.edu.cn。
更新日期/Last Update: 1900-01-01