资源描述:
《水泥池黄鳝养殖技术(technique of eel farming in cement pond)》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
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