文章摘要
刘兴旺,麦康森,艾庆辉,刘付志国,张彦娇.玉米蛋白粉替代鱼粉对大菱鲆摄食、生长及体组成的影响[J].水产学报,2012,36(3):466~472
玉米蛋白粉替代鱼粉对大菱鲆摄食、生长及体组成的影响
Replacement of fish meal by corn gluten meal in diets of Scophthatmus maximus
投稿时间:2011-06-22  修订日期:2011-10-09
DOI:10.3724/SP.J.1231.27590
中文关键词: 大菱鲆  玉米蛋白粉  鱼粉  生长
英文关键词: Scophthatmus maximus  corn gluten meal  fish meal  growth
基金项目:现代农业产业技术体系建设专项资金资助(nycytx-50-G07)
作者单位
刘兴旺 中国海洋大学教育部海水养殖重点实验室 
麦康森 中国海洋大学教育部海水养殖重点实验室 
艾庆辉 中国海洋大学教育部海水养殖重点实验室 
刘付志国 中国海洋大学教育部海水养殖重点实验室 
张彦娇 中国海洋大学教育部海水养殖重点实验室 
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中文摘要:
      以鱼粉和玉米蛋白粉作蛋白源,配制6种等氮等能的饲料。其中5种饲料(C0、C12、C25、C38和C50.5)分别含有0%、12%、25%、38%和50.5%的玉米蛋白粉以替代相应的鱼粉蛋白。其余1种饲料(C50.5CAA)是在饲料C50.5基础上补充1.8%晶体氨基酸混合物(L-lysine:1.2%,L-arg:0.6%)。经7周的生长试验,结果表明随着饲料中玉米蛋白粉替代水平的升高,大菱鲆(12.51?0.02) g的摄食率、特定生长率、饲料效率和蛋白质效率均显著下降。饲料中玉米蛋白粉含量为50.5%时,大菱鲆摄食率显著低于其他处理组(P<0.05)。当饲料中玉米蛋白粉含量超过25%时,大菱鲆特定生长率显著低于对照组(C0)(P<0.05)。当饲料中玉米蛋白粉含量超过38%时,饲料效率和蛋白质效率与对照组(C0)相比显著下降(P<0.05)。C50.5CAA组的摄食率、特定生长率和蛋白质效率与C50.5组相比都有升高的趋势,但差异不显著。而饲料中添加晶体氨基酸显著提高了大菱鲆的饲料效率(P<0.05)。饲料中玉米蛋白粉替代鱼粉对大菱鲆鱼体水分、粗蛋白、粗脂肪及灰分含量均无显著影响。饲料中玉米蛋白粉替代鱼粉对大菱鲆血清甘油三酯和尿素氮含量也不产生显著影响,然而,随着饲料中玉米蛋白粉含量升高,血清总胆固醇含量显著下降(P<0.05)。
英文摘要:
      The corn gluten meal(CGM)was evaluated as a replacement of fish meal(FM)in a practical diet formulated to contain 50% protein and 12.5% lipid.FM was replaced by 0%,12%,25%,38%,and 50.5% of CGM(C0,C12,C25,C38 and C50.5)respectively.And another diet(C50.5CAA)was supplemental with a 1.80% essential amino acid(CAA)mixture(L-lysine:1.2%,L-arg:0.6%)based on the diet C50.5.Juvenile Scophthatmus maximus (12.51?0.02 g)were reared in an indoor,semi-closed recirculating system.Each diet was randomly fed to triplicate groups of 18 fish per tank(300 L)arranged in a completely randomized design.The fish were hand-fed to satiation twice daily for 49 days.At the end of the feeding trial,feed intake(FI),specific growth rate(SGR),feed efficiency ratio(FER)and protein efficiency ratio(PER)were significantly affected by the inclusion of CGM,with decreasing values as inclusion levels of CGM rose.There were no significant differences(P>0.05)in growth performance between fish fed diet C0 and C12.However,fish fed diet containing above 25% CGM had significantly lower(P<0.05)growth than those fed diet C0 and/or C12.Supplementation with CAA significantly improved FER of fish(P<0.05),and FI,SGR and PER of fish also showed a tendency to be improved by supplement with CAA.Body composition,serum triglycerides and serum urea of the fish were not significantly(P>0.05)affected by dietary treatments.Total cholesterol concentration in serum of fish was significantly reduced with increasing dietary CGM level(P<0.05).
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