塘角鱼的养殖技术

塘角鱼的养殖技术

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时间:2019-01-05

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1、塘角鱼的养殖技术Livinghabitsof1.localpondanglefish:survivaltemperatureof7DEG~38DEG,theoptimumgrowthtemperatureof20DEG~33DEG,omnivorous,inanimalfeed,hypoxia,shaded,gregariousburrowing,strongagainsttheescapehabitsofwildcolorthantheyellowspotsonbothsides,artificialbreeding・Thecolorislighter,moregray

2、ishblack・2.conditions:farmingpondlocalpondanglefishpondinthegeneralareaof333"1333m2,depthof1.2~1・8m,aroundthepondwithmasonryfirmly,andcementmortartopreventleakageinthepondarearrangeddiagonallyintothedrainoutlet,andsetupafishscreen,withthebestwaterinletpipeextendingtotheoutsideofthepondint

3、heoffshorelm.3.pondfacilities:thepondofthelocalpondshouldbesurroundedbywaterhyacinthorbuildshadeshelter,itsareaisabout3、5m2・Inaddition,becausethelocalpondanglefishlikedark,soitshouldbeplacedinthepondortile,bamboowithasbestos(fromTangDi20cm)afewforTongKokfishhabitatandYudongshade,butdonott

4、akethebamboo,pineforketc・(somepeopleintothepondandsecurity),soasnottoaffectthefishnonnalactivities・4.:Frypondinpondsterilization,drypondorwaterwith10cm,then75kg/667m2limewatersplashing,musthavefulltangiteven,eventhewallsarethrownintothepond・Afterdisinfectioncanbestbakeafewdays,andthenretu

5、rn50^70cm,returnafter7~10ddeterminationofpHislessthanorequalto9orthetestprovedthatthetoxicitycandisappearafterseedling.5.:waterqualityincultivatingseedlingstofertilizethepondbeforeifthepondwaterblooms,Cladocera,copepods,rotifers,plankton,frypondafterthepalatabilityoflivebaitfeedingopening

6、issufficient,fast,rapidgrowth,strongresistance,highsurvivalrate,canreducethecostofmethodisinthepond2~3dafterdisinfectioncastafterfullfermentation,thelivestockmanurecompostafter300"400kg/667m2,thenwater.Usually7dafterfertilizationbackwater,waterplanktongrowthreachedthepeak,thistimeisthebes

7、ttimetoputontheseed,justafterevery5D100kg/667m2cangivecontinuousdressingwithfreshfishbait,untilthefishgrowtofingerlikethickness,period(about25~30d)cannotonlycastasmallamountoffeedorfeed・2.fishstocking:theroleoflocalpondstockingdensityisgenerally1~3million/667m2tail,

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