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1、安徽農(nóng)業(yè)大學學報，2009，36(2)：236．240JournalofAnhuiAgriculturalUniversity投喂模式對黃顙魚幼魚補償生長的影響姚峰，楊嚴鷗，甄恕其，蘇時萍(1．安徽農(nóng)業(yè)大學動物科技學院，合肥230036；2．長江大學動物科學學院，N~l'l434025)摘要：在(25±1)℃水溫和自然光照下，以4種模式投喂鮮活水蚯蚓，飼養(yǎng)平均初始體重為358．57mg的黃顙魚(PeheobagruslvidraeoRichardson)幼魚48d，第1種模式為對照組，每天投喂，第2、3、4種為試驗組．分別是探喂3d后饑餓1d、投喂6d后饑餓2d
2、、投喂12d后饑餓4d，4種模式分別以SS、S和S4／u表示。結果顯示，3個試驗組均表現(xiàn)出補償生長，其中S3組為完全補償生長，S和S4／u組為超補償生長，補償生長由攝食率和餌料轉化效率共同提高導致；3個試驗組成活率顯著高于對照組，肥滿度和內臟指數(shù)與對照組無顯著差異；試驗結束時，3個試驗組的魚體脂肪、蛋白質和能量含量與對照組無顯著差異，但s和s組的魚體干物質含量顯著下降。關鍵詞：黃顙魚；補償生長；投喂模式中圖分類號：$963文獻標識碼：A文章編號：1672—352X(2009)02-0236-05Efectsoffeedingregimeoncompensator
3、ygrowthofyellowcatfishlarvaeYAOFeng‘，YANGYan—ou，ZENGShu—qi，SUShi．ping(1．SchoolofAnimalScienceandTechnology，AnhuiAgriculturalUniversity，Hefei230036；2．SchoolofAnimalScience，YangtzeUniversity，Jingzhou434025)Abstract：Inordertoinvestigatethecompensatorygrowthinyellowcatfish(Peheobagrusful
4、vidracoRichard—son)(initialaverageweight358．57mg)atdifferentfeedingregimes．a(chǎn)48dgrowthtrialwasca~iedoutinasys．ternconsistingof12tanks(volume：70cm×55cm×37cm，20cmwaterdepth)attemperature(25±1)clCandnaturalphotoperiod，andlivetubificidworms(Limnodrilushoffmeisteri)werefedinfourfeedingregi
5、mes．Thefishweredeprivedoffoodforonedayatthebeginningoftheexperiment，then100fishwererandomlyselected，、batch。weighedandallocatedintoeachtankrespectively．Eachfeedingregimecontainedthreetanksse1ectedrandomly．Inthefirstregime，fishwerefedtosatiationduringthewholeexperimentalperiod(controlg
6、roup)．Inthesecondre．me，fishwerefedtosatiationfor3daysandthenweredeprivedoffoodfor1day．Inthethirdregime．fishwerefedtosatiationfor6daysandthenweredeprivedoffoodfor2days．Inthefourthregime，fishwerefedtosatiationfor12daysanddeprivedoffoodfor4days．ThefourregimeswererepeatedandmarkedasSo，Sl
7、／3，S2／6andS4／12．Weightedexcesslivetubificidwormswerefedtofishinatankat9：00．a(chǎn)nduneatenwornlswerecollected24hafterfeedingandre—weighed．Weightlossinwormswasdeterminedfrom3controltankscontainingnofish，andtheweightoftheuneatenfoodwascorrectedwiththeweightlossinworms．Theresultsshowed：(1)Gr
8、oupS1／3hasco
