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时间:2020-03-28
《罗非鱼仔鱼开口率与温度、盐度间模型的建立与优化.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第34卷第4期2014年8月广东海洋大学学报Jo啪alofGuangdongOceanUniVers埘、,01.34No.4Aug.2014罗非鱼仔鱼开口率与温度、盐度间模型的建立与优化梁国栋1,王辉1,刘加慧1,杨洪帅1,李瑞伟2(1.广东海洋大学水产学院,广东湛江524025;2.广东省茂名市茂南三高罗非鱼良种基地,广东茂名525024)摘要:采用中心复合设计及响应曲面法研究吉富罗非鱼仔鱼开口率与温度和盐度的量化关系,预实验确定温度范围为20~34℃,盐度为2~10,通过模型优化确定初孵仔鱼从出
2、膜到开口这一阶段最适温度和盐度组合。结果表明,温度对仔鱼的开口率(Firstfeedingrate,FFR)的一次效应有统计学意义(P0.05);温度对仔鱼开口率的二次效应有统计学意义(P3、72l,预测决定系数为0.91l2,表明所建模型拟合度极高,且可通过温度和盐度预测罗非鱼仔鱼的开口率。对模型方程优化的结果表明,当温度为29℃、盐度为5时,罗非鱼仔鱼的开口率达到最大值87.97%,可靠性达到0.972。关键词:吉富罗非鱼;开口率;温度;盐度;模型;优化中图分类号:s965.125文献标志码:A文章编号:1673—9159(2014)04—0033—07ConstructingandoptimizingModeIOfRelationshipBetweenFirstFeedingRat4、eofLarValTilapiaand1’emperatureandSalinityLIANGGuo.don91,WANGHuil,LIUJia-huil,YANGHong.shuail,LIRui—wei2(1.鼢^P,.f·曼譬I:为,,号gPQ厂G蹦口甩gdD,zgDcP口,z己切f1,P,百f纱,Z矗口,乏,f口,曙524025,(确f,z口;2.』l童aD胛口,z.%,zg口D乃,qpf口B,PP疣,喀B口se,.^4r口D朋f行g,525024,(境f疗口)Abstract:Centra5、lcompositedesignandresponsesurf.acemethodwereadoptedtostIldythequantitativerelationshipbetweenthefirstfeedingrate(FFR,%)oftheGIFTstrainofD坨Dc^m_『,2括,zfZDffc“salldtemperatureandsalinity.Theoptimalcombinationoftemperature(20一34oC)andsalini锣(2一l0)forthef毋6、wasdeteminedthroughthemodeloptimizationfromnewlyhatchedtotheopeningofthisstage.Resultsshowedthatthe1ineref诧ctofternpemtureonthefirstfeedingrate(FFR)washighlysignificant(P<0.01),andthatofsalinityontheFFRwassignificant(P<0.05);theinteractioneffectoftempe7、ratureandsalinityontheFFRwasnotsignificant(P>0.05);quadraticef.fectoftemperatureontheFFRwashighlysignmcant(P<0.01),andthatofsalinityontheFFRwassignificant俨<0.05).Temperaturehasamoresig皿ificanteffectontheFFRthanthesalinitydoes.ThemodelequationoftheFFRto8、wardstemperatureandsalini田wasestablished,withR‘=0.9861,adjustedR2=O.9721andpredictiveR2=0.9112.Thisshowedthatthegoodness—of-fitofthemodelwasextremelyhighanditcouldbeusedtopredicttheFFRofnewlyhatchedtilapialarvae.收稿日期:2014.05一12基金项目:广东省海
3、72l,预测决定系数为0.91l2,表明所建模型拟合度极高,且可通过温度和盐度预测罗非鱼仔鱼的开口率。对模型方程优化的结果表明,当温度为29℃、盐度为5时,罗非鱼仔鱼的开口率达到最大值87.97%,可靠性达到0.972。关键词:吉富罗非鱼;开口率;温度;盐度;模型;优化中图分类号:s965.125文献标志码:A文章编号:1673—9159(2014)04—0033—07ConstructingandoptimizingModeIOfRelationshipBetweenFirstFeedingRat
4、eofLarValTilapiaand1’emperatureandSalinityLIANGGuo.don91,WANGHuil,LIUJia-huil,YANGHong.shuail,LIRui—wei2(1.鼢^P,.f·曼譬I:为,,号gPQ厂G蹦口甩gdD,zgDcP口,z己切f1,P,百f纱,Z矗口,乏,f口,曙524025,(确f,z口;2.』l童aD胛口,z.%,zg口D乃,qpf口B,PP疣,喀B口se,.^4r口D朋f行g,525024,(境f疗口)Abstract:Centra
5、lcompositedesignandresponsesurf.acemethodwereadoptedtostIldythequantitativerelationshipbetweenthefirstfeedingrate(FFR,%)oftheGIFTstrainofD坨Dc^m_『,2括,zfZDffc“salldtemperatureandsalinity.Theoptimalcombinationoftemperature(20一34oC)andsalini锣(2一l0)forthef毋
6、wasdeteminedthroughthemodeloptimizationfromnewlyhatchedtotheopeningofthisstage.Resultsshowedthatthe1ineref诧ctofternpemtureonthefirstfeedingrate(FFR)washighlysignificant(P<0.01),andthatofsalinityontheFFRwassignificant(P<0.05);theinteractioneffectoftempe
7、ratureandsalinityontheFFRwasnotsignificant(P>0.05);quadraticef.fectoftemperatureontheFFRwashighlysignmcant(P<0.01),andthatofsalinityontheFFRwassignificant俨<0.05).Temperaturehasamoresig皿ificanteffectontheFFRthanthesalinitydoes.ThemodelequationoftheFFRto
8、wardstemperatureandsalini田wasestablished,withR‘=0.9861,adjustedR2=O.9721andpredictiveR2=0.9112.Thisshowedthatthegoodness—of-fitofthemodelwasextremelyhighanditcouldbeusedtopredicttheFFRofnewlyhatchedtilapialarvae.收稿日期:2014.05一12基金项目:广东省海
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