底栖硅藻对刺参生长、能量收支和生理机能初步地研究

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1、SpecificDynamicAction(SDA)ofA.japonicuswasmeasuredwithfeedingdifferentbenthicdiatoms(Nitzschiapanduriformisvar.minorGrunow,Nitzchiasp.,Cylindrothecafusiformis)andacommercialfeed.TheresultsshowedthatSDAwassignificantlydifferentindifferentgroups(P<0.05).TheSDAdura

2、tionandthemetabolicratewerefoundatcommercialfeed,Nitzchiasp.,CylindrothecafusiformisandNitzschiapanduriformisvar.minorGrunowtreatmentrespecttively.Therewasnosignificantdifferenceindifferentgroups(P<0.05).ThepeakVo2ofA.japonicusfeedwithNitzschiapanduriformisvarmi

3、norGrunow、Nitzchiasp.、Cylindrothecafusiformisandacommercialfeedwere27±1.2、30±1.7、29±2.1and32±1.2(mgO2kg-1·h-1),andthevalueofNitzschiapanduriformisvar.minorGrunowweresignificantlylowerthanthoseofothers(P<0.05).ThemealsizeofA.japonicusfeedwithNitzschiapanduriformi

4、svar.minorGrunow、Nitzchiasp.、Cylindrothecafusiformisandacommercialfeedwere3.38±0.12、3.75±0.25、2.16±0.11and6.37±0.19%；TheenergyexpendedonSDAofA.japonicusfeedwithNitzschiapanduriformisvar.minorGrunow、Nitzchiasp.、Cylindrothecafusiformisandacommercialfeedwere1.43±0.

5、15、2.19±0.19、1.94±0.21and2.35±0.22.SDAcoefficientsofNitzschiapanduriformisvar.minorGrunow、Nitzchiasp.、Cylindrothecafusiformisandacommercialfeedwere0.03±0.01、0.04±0.01、0.06±0.01and0.05±0.01,andthecoefficientofA.japonicusfedwithNitzschiapanduriformisvar.minorGruno

6、wwassignificantlylowerthanCylindrothecafusiformis.3.EffectsofbenthicdiatomsongrowthandenergybudgetofApostichopusjaponicusThegrowthandenergybudgetofA.japonicusweremeasuredwithfeedingdifferentbenthicdiatoms(Nitzschiapanduriformisvar.minorGrunow),(Nitzchiasp.),(Cyl

7、indrothecafusiformis))andacommercialfeed.TheresultsshowedthatthehighestsurvivalrateofA.japonicusweremeasuredwithfeedingdifferentbenthicdiatoms(Nitzschiapanduriformisvar.minorGrunow,Nitzchiasp.,Cylindrothecafusiformis,Nitzschiapanduriformisvar.minorGrunow+Nitzchi

8、asp.,Nitzchiasp.+Cylindrothecafusiformis,Nitzschiapanduriformisvar.minorGrunow+Nitzchiasp.+Cylindrothecafusiformis)is91.36±5.32%,appearedin(Nitzschiapanduriformisvar.