水泥池黄鳝养殖技术(technique of eel farming in cement pond)

水泥池黄鳝养殖技术(technique of eel farming in cement pond)

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时间:2018-08-07

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1、水泥池黄鳝养殖技术(Techniqueofeelfarmingincementpond)Eelcultivationtechniqueofcementpoolisasafeandreliable,andthestablesteadyculturemode,whichwillcementpondeelbreedingtechniquesaredescribedbelow:1.,selectappropriaterangeofaquaticanimals,eelfarminginthecementpond,morediseases

2、,technicalrequirementsareverystrict.Therefore,beforebreeding,theenvironmentshouldbeimprovedandutilized,suchasaquaticanimalsandplants,diseasecontrolandsoon.Thespecificmeasuresareasfollows:(1)shiftcutAlternantheraphiloxeroides,Polygonumhydropiperandotheraquaticplantsi

3、ntheeelpoolcentershiftcutareaaccountsforthewholepoolof2/3,morethan1/3aroundthestagearea,stockingofspirodelapolyrrhiza;(2)every10metersin2area,stocking2~4oldturtle1,loach9young.Lobster(Procambarusshrimpseedlings)12.2.graspthestockingdensityofcementpondeelisakindofhig

4、hdensityponds,persquaremeteronthespecificationsforthe40gramsofeelsfrom2to2.5kg;60gramsofeelsfrom2.5to3kg.Sizeeeltosubpoolfeeding.Forindividualsweighingmorethan75gramsofeel,itshouldnotbefed.3.tostrengthenthemanagementofpublicmanagementistostrengthenthecementpondtored

5、ucetheincidenceofeel,improvetheyieldofthekey.Ingeneral,goodmanagementofcementeelbreedingpond,stablelengthof2~3times;themismanagementofthecementeelbreedingpond,almostnotlong,orlong1~0.5times.Therearesixpointsinthemanagementofcementpond:(1)themanagementofcementwaterir

6、rigationshouldbeeeltankofabout20cm,whenthesummerheat,thewaterlevelriseto30cm.Whentheweatheriscool,changewater3~5days;whentheweatherishot,changewater1~2days.Inordertokeepthewaterfreshandsoft,wecanusetheexuberantmetabolismofthepurpleduckweedtopurifythewater.Notonlyeve

7、rytwodayswillbeinthepoolaround1/3stockingofspirodelapolyrrhiza,withnetsalvagepart,whichisnotclosetodilutethevigorousgrowth,toabsorbwaterandfertilizer,tokeepthewaterclean.(2)everysummertoshadingmeasures,thetemperaturereached25degreesabove,becausethecementwallaroundth

8、eendothermicandexothermicpooltemperaturerise,resultingintheeelinnaturewatertemperatureatthesametime,itisnecessarytotakemeasurestopreventhe

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