Better Freshwater Fish Farming The Fish淡水鱼养殖_0.docx

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1、BetterFreshwaterFishFarmingTheFish淡水鱼养殖94.Fromnowon,youcantakebabyfishoutofyournurserypondeachmonthforyourownuseortosell.75.Becarefulthatyournurseryponddoesnotbecometoofulloffish.Iftherearetoomanyfish,theywillnotgrowwellandyourbabyfishwillnotbestrongandhealthy.76.Tokeepyournurserypondfrombecomingtoo

2、fulloffish,drainallofthewateroutofthepondeachyearandcollectal1ofthefish.77.Youcaneatthebigfishthatwereinthenurserypond.Item144inthisbookletwilltellyouwhattodowiththebabyfish.76,Waituntilthebottomofthenurserypondisdry,thencleanandrepairthebottomandthebanks.Items145to148inthisbookletwilltellyouhow.247

3、9.NowfillthenurserypondwithWaterandfertilizeitasyoudidbefore.Whenthewaterisgreen,putintherightnumberoffullygrownfemalefishandmalefish.Items56to58inthisbookletwilltellyouhowmanyfullygrownfishtouse.80.Inaboutthreemonths,youwillbeabletotakemorebabyfishoutofyournurserypond.Carryingyourbabyfish81.Youmust

4、beverycarefulwhenyoucarryyourbabyfishfromoneplacetoanother.Babyfishcanbehurteasily.25I1.一83.IIcl786.07.08.Whenyournewbigpondisfullofwater,youhavefertiIizeditandIhcwaterhasbecomyouarereadytoputinthYoualreadyknowthatifyouuseTihpianiloticainapond15by15metres,youwillneed450whichare5centimetresorlonger.P

5、utthebabyfishgentlyintoyourbigpondasyoudidwithyourfirstsmallpond.Items70to76,inBookletNo.27,willtellyouhow.Ingyourbfl89.Youalreadyhavelearnedthatthebigfishinyourpondwi11getmuchoftheirfoodfromsmallplantsandanimalswhichgrowinthagreenwater.2691.Tomakeyourbigfishgrowmorequickly,youmustalsofeedthemotherk

6、indsoffood.Youcanfeedthemtermitestenderleavesandwasteofbananaandcassavagrainmi11sweepingsricebranbeerwastescottonseedorgroundnutcakeslaughterhousewastesanimalwasteskitchenwastesspoiledfruitandvegetablesleft-overfoodchoppedgrass.Yi600to2000gramsoffoodeverydayduringthefourthmonth2080to2700gramsoffoode

7、verydayduringthefifthmonth2700to3500gramsoffoodeverydayduringthesixthmonthandunii1thetimethatyouharvestyourfish.96.Itisnoteasytoknowexactlyhowmuchfoodtofeedyourfish.Youmustwatchthemwhentheyeattolearnhowmuchfoodtheyneed.97.Feedyourfishintheshallowpartofthepondsothatyoucanseethemeat.98.Ifyouseethatthe

8、fishdonoteatalloftheirfood,givethemalittlelessthenextday.99.IfyouseethatIhcfisheatalloftheirfoodquickly,givethemalittlemorethenextday.100.Ifyoufeedyourfishatthesameplaceeveryday,youwillseewhetherthefisharee;ztingwell.Ifyougivethemtoomuch,thefoodwhichisnoteatenwillstayonthebottom.101.Toomuchuneaonthe

9、bottom31102.Tomakeiteasiertoseeifyourfishareeatingwell,markseveralplacesinyourpondtofeedthem.103.Markeachplacebymakingasquareoraringoflightwoodorbamboo.Driveapoleintothepondbottomandattachthesquareorring,asshowninthedrawing.104.Whenyoufeedthefish,putthefoodinsidethesquareorring.Youmaybeabletoseeanyu

10、neatenfoodonthebottomunderthesquareorring.Ifyoucannotseethebottom,feelwithyourhandstofindanyuneatenfoodthatmaybethere.32.av-?o.,I,*(:.:s:108.Iftheweatheristoohot,ifyoufeedyourfishtoomuch,orifyouputtoomuchfcrtiIizerintothepond,theremaybetoolittleairinthewaterforyourfishtobreathe.109.Ifyouseeyourfishc

11、omingtothesurfacegaspingforair,givethemlessfoodanddonotputanyfertilizerintoyourpondforseveralweeks,c.110.Putmoreairintothewaterofyourpondbychangingsomeofthewaterforseveraldays,asyoudidinItem107inthisbooklet.34111.Whenyouletnewwaterintothepond,letitinquicklysothatitwillcomewithasplashandbringmoreairi

12、ntothewater.Thiswi11helpyourfishtobreatheeasily.letwaterin*withasplash112.Ifyouseeanyotherthingswrongwithyourfishthatyoudonotunderstand,stopfeedingthemandstopputtingfertilizerintothepond.Thenchangesomeofthewaterinyourpondeverydayforseveraldays,asyoudidinItem107inthisbooklet.113.Afterseveraldaysifyourfisharestillnotwell,iftheyarenoteatingwellorgaspingforairorarenotswimmingstrongly,askyourextensionagentoryourfishculturestationforhelp.