饲料脂肪水平对瓦氏黄颡鱼生长和体色的影响

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1、j上海海洋大学硕上学位论文resultshowedthat：(1)thesuitabledietlipidw硒9．99～13．oo％，hi曲estgr0、vthmtewereobtainedin9．99％孕oup，higherthan13．00seemstoinfluencethefoodintake，andtheninfluencethegrowth．(2)lipidcontentofmuscleincreasedwiththedietlipidleVel，andwaterinmuscletaketheoppositetrend．(3)lipidenzymeactivityinintest

2、inesincreasedwiththedietlipidleVelupt07．02％．(4)the锄inoaciddidnotinnuencebydietary1ipidlevel，butforthef永acid，notthecaseata11．Onthelastpan，experimentwasconductedlojnVestigatetheeffectsofdietarylipidleVelonthe伊owthandbodypi孕nentationinDarkbarbelcatfish．FiveexperimentaIdietscontainingdifferentlipidleVe

3、ls(4．17％，7．02％，9．99％，13．00％，15．76％)werefbnnulatedandfedtoapparentsatietytofiVegroupsof25fishfor13weel(s，each1ipidleVelcontained60mg／l(gor0mg／l【gxaIlthophylls．0mg／l【gxaIlthophyllsa11d8．92％lipiddietservedaScontroLthefesultsshowedthat：(1)A￡theend0f6th锄d10thweek，thespecial伊讲矶hrateaIldfeede伍ciencyincrea

4、sed弱thedietarylipidincreasedt09．99％，theviscerosomaticindex(VSI)aIldiIltraperitonealfatratio(IPF)increasedasthedietar)rlipidleVelincreased．(2)T1leconcentration0fxanthophyllsinthesldnoffishf．edxanthOphyllsdietsincreasedt0astageofsta【bilityafter5weeksfeeding．(3)Theconcentrationofxanth叩hyllsinskinofDar

5、kbrbelcatfishwashigherwhenfedwithsoybeanoilcontainingdiets，7．02％cnldef缸wasenou曲fofthebodypi舯entationofDarkbarbelcatfish．(4)Theconcentrationofx柚thophyllsintheskinofwellpigmentedDarkbrbelCatfishwouldkeptsteadyatleastfor7weeksratherth锄depigmented．(5)melanincontentiIls虹n卸dtyrosinaseactiVitiesofdorsalsk

6、in，subjacentlaterallineskinandbloodserIlmseemednodif艳rencewithinall伊oups(p>0．05)．(6)Greateconomicinterestoccu仃edwi￡hthexanthophyllsaidedt0theDarkelbalcatfish．Keywords：Pelteobag兀lsVacheii，wildandfa册ed，lipid，growth，pigIIlentation，U上海海洋大学学位论文原创性声明本人郑重声明：我恪守学术道德，崇尚严谨学风。所呈交的学位论文，是本人在导师的指导下，独立进行研究工作所取得的成

7、果。除文中已经明确注明和引用的内容外，本论文不包含任何其他个人或集体已经发表或撰写过的作品及成果的内容。论文为本人亲自撰写，我对所写的内容负责，并完全意识到本声明的法律结果由本人承担。学位论文作者签名：文艺3毛日期：如3年Z月店日上海海洋大学学位论文版权使用授权书学位论文作者完全了解学校有关保留、使用学位论文的规定，同意学校保留并向国家有关部门或机构送交论文的复印件和电子版，允许论文被查阅或借阅。本人授权上海