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1、上海海洋大学硕士学位论文Theeffectofsodiumchlorideandsodiumbicarbonateongrowth,foodconversionandhistologicalfeaturesinjuvenileBarbuscapitoABSTRACTBarbuscapitobelongstoCyprinidae,BarbinaeandBarbodes,andisoneofthebreedingrivermigratoryfish.Itisaspeciesofeuryhalinefish,whichhasexcellentcharacteristics,suchassaline
2、-alkalineresistance,broaddiets,fastgrowth,freshmeat,strongadaptabilityandthelike.Itisakindofvaluablelocaleconomicfish,whichismainlylocatedintheUzbekistan.InordertoexpandthefisheryresourcesinthenortheastofChina,WeimportedBarbuscapitofromUzbekistan.Atpresent,wecompletedtheartificialpropagationandpoun
3、dbreedingofBarbuscapito.Thisstudysimulatedsodiumbicarbonate,sodiumchlorideandthesynergisticeffectonthegrowth,foodintakeandhistologicalfeaturesofjuvenileBarbuscapito,andweobtainedsomeresultswithsignificantdifferences.Thedetailsandtheresultsasfollows:1.Theeffectofsodiumbicarbonateandsodiumchlorideont
4、hegrowthandfoodintakeofthejuvenilefish(1)TheeffectofvariousconcentrationsofsodiumchlorideongrowthandfoodintakeofjuvenilewereinvestigatedbyrearingfishataIV上海海洋大学硕士学位论文temperatureof(22～25)℃,andweexploredtheoptimalconditionofthegrowthofthefish.Inthesodiumchlorideexperiment,inwhichthevalueswere0(contro
5、lgroup),2.0,4.0,6.1,7.8,10.0and11.9.Theresultshowedwhentheconcentrationofsodiumchloridewereupto6.1thebodylength,thebodyweightandthespecificgrowthrate(SGR)ofthejuvenileweresignificantlylowerfromothergroups(P＜0.05),respectively,themaximalfinalbodyweightwasreachedat2.0,thegreatestSGRandfeedconversione
6、fficiency(FCE)werereachedat4.0,andthesmallestat11.9,accordingtotheoreticalcalculationtheoptimalconcentrationofsodiumchlorideforgrowthtobe1.88,thedangerousconcentrationwasat7.8.(2)Theeffectofvariousconcentrationsofsodiumbicarbonatewereinvestigated,inwhichthevalueswere0(controlgroup),10.00mmol/L,15.8
7、3mmol/L,25.10mmol/L,39.80mmol/Land63.12mmol/L,whentheconcentrationwereupto25.10mmol/L,thebodyweight,thefeedconversionefficiency(FCE)andthetotalfoodintake(C)ofthejuvenileweresignificantlylowerfromothergroups
