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

BetterFreshwaterFishFarmingTheFish淡水鱼养殖94.Fromnowon,youcantakebabyfishoutofyournurserypondeachmonthforyourownuseortosell.75.Becarefulthatyournurseryponddoesnotbecometoofulloffish.Iftherearetoomanyfish,theywillnotgrowwellandyourbabyfishwillnotbestrongandhealthy.76.Tokeepyournurserypondfrombecomingtoofulloffish,drainallofthewateroutofthepondeachyearandcollectal1ofthefish.77.Youcaneatthebigfishthatwereinthenurserypond.Item144inthisbookletwilltellyouwhattodowiththebabyfish.76,Waituntilthebottomofthenurserypondisdry,thencleanandrepairthebottomandthebanks.Items145to148inthisbookletwilltellyouhow.2479.NowfillthenurserypondwithWaterandfertilizeitasyoudidbefore.Whenthewaterisgreen,putintherightnumberoffullygrownfemalefishandmalefish.Items56to58inthisbookletwilltellyouhowmanyfullygrownfishtouse.80.Inaboutthreemonths,youwillbeabletotakemorebabyfishoutofyournurserypond.Carryingyourbabyfish81.Youmustbeverycarefulwhenyoucarryyourbabyfishfromoneplacetoanother.Babyfishcanbehurteasily.25I1.一83.IIcl786.07.08.Whenyournewbigpondisfullofwater,youhavefertiIizeditandIhcwaterhasbecomyouarereadytoputinthYoualreadyknowthatifyouuseTihpianiloticainapond15by15metres,youwillneed450whichare5centimetresorlonger.Putthebabyfishgentlyintoyourbigpondasyoudidwithyourfirstsmallpond.Items70to76,inBookletNo.27,willtellyouhow.Ingyourbfl89.Youalreadyhavelearnedthatthebigfishinyourpondwi11getmuchoftheirfoodfromsmallplantsandanimalswhichgrowinthagreenwater.2691.Tomakeyourbigfishgrowmorequickly,youmustalsofeedthemotherkindsoffood.Youcanfeedthemtermitestenderleavesandwasteofbananaandcassavagrainmi11sweepingsricebranbeerwastescottonseedorgroundnutcakeslaughterhousewastesanimalwasteskitchenwastesspoiledfruitandvegetablesleft-overfoodchoppedgrass.Yi600to2000gramsoffoodeverydayduringthefourthmonth2080to2700gramsoffoodeverydayduringthefifthmonth2700to3500gramsoffoodeverydayduringthesixthmonthandunii1thetimethatyouharvestyourfish.96.Itisnoteasytoknowexactlyhowmuchfoodtofeedyourfish.Youmustwatchthemwhentheyeattolearnhowmuchfoodtheyneed.97.Feedyourfishintheshallowpartofthepondsothatyoucanseethemeat.98.Ifyouseethatthefishdonoteatalloftheirfood,givethemalittlelessthenextday.99.IfyouseethatIhcfisheatalloftheirfoodquickly,givethemalittlemorethenextday.100.Ifyoufeedyourfishatthesameplaceeveryday,youwillseewhetherthefisharee;ztingwell.Ifyougivethemtoomuch,thefoodwhichisnoteatenwillstayonthebottom.101.Toomuchuneaonthebottom31102.Tomakeiteasiertoseeifyourfishareeatingwell,markseveralplacesinyourpondtofeedthem.103.Markeachplacebymakingasquareoraringoflightwoodorbamboo.Driveapoleintothepondbottomandattachthesquareorring,asshowninthedrawing.104.Whenyoufeedthefish,putthefoodinsidethesquareorring.Youmaybeabletoseeanyuneatenfoodonthebottomunderthesquareorring.Ifyoucannotseethebottom,feelwithyourhandstofindanyuneatenfoodthatmaybethere.32.av-?o.,I,*(:.:s:108.Iftheweatheristoohot,ifyoufeedyourfishtoomuch,orifyouputtoomuchfcrtiIizerintothepond,theremaybetoolittleairinthewaterforyourfishtobreathe.109.Ifyouseeyourfishcomingtothesurfacegaspingforair,givethemlessfoodanddonotputanyfertilizerintoyourpondforseveralweeks,c.110.Putmoreairintothewaterofyourpondbychangingsomeofthewaterforseveraldays,asyoudidinItem107inthisbooklet.34111.Whenyouletnewwaterintothepond,letitinquicklysothatitwillcomewithasplashandbringmoreairintothewater.Thiswi11helpyourfishtobreatheeasily.letwaterin*'withasplash112.Ifyouseeanyotherthingswrongwithyourfishthatyoudonotunderstand,stopfeedingthemandstopputtingfertilizerintothepond.Thenchangesomeofthewaterinyourpondeverydayforseveraldays,asyoudidinItem107inthisbooklet.113.Afterseveraldaysifyourfisharestillnotwell,iftheyarenoteatingwellorgaspingforairorarenotswimmingstrongly,askyourextensionagentoryourfishculturestationforhelp.