(A)fostermother
（1）.SexualmaturityandsexualcycleoftheYangtzeriverbasin(femalegeneral2age,male
of1yearofabovethecarpreachsexualmaturity.Generally3~5monthforthegonads
matureandspawningperiod.AfterthefirstphaseoftheeggsⅥovariantoabsorb
degradationinJulytothefirstⅡperiod,thengraduallydevelopmenttoenterthefirstⅣ
periodinNovember,and,onthewinterperiod,thesecondyear3~4months,meet
appropriateenvironmentalconditions,ovarianitquicklymaturesoonⅣphase,thefirstto
thefirstVperiod.Themalesexualmaturity(afterthefirstJingChaodegradationto
reproduceⅢperiod,8to9monthsintothefirstⅣperiod,DecembertothefirstVperiod,
andthisperiodwinter.Layingeggsinthedifferentseasonalloversouthlayingeggsfor2~3
monthstage;TheYangtzeriverbasinasa3~4month;TheYellowRiveris4~5month;The
northeastregionfor5~6months.Spawningperiodsustainable2monthsorsocommonly.
（2）.Thechoiceofmotherandraisingfemalecarpshouldchoose2yearsold,weightmore
than1kg,themalecarpslightlysmallweightforabout0.5kilograms.Thechoiceshouldbe
bodyheight,motherbackthick,healthybody,strong,thefigureisgood,strongactivity
withoutinjury.Sourceofgoodforbreedinginthepond.Kissfishpondareaisgeneral1to3
mu,depthofwater1.5metersorso,everyyeartoclearapond.Motherstockingdensity
general100-150kg/mu,alsocanafewsilvercarps,itcollectionfish,tocontroltheexcessive
breedingofplankton.Afterlayingeggsinwintercarphavetokissbeforemaleandfemalefed
separately,inordertoavoidsuddenhightemperaturewhennaturalreproductionand
sporadiccarpspawn,usuallycanbemaleandfemaleFenYangcollectionorapond.Carpfor
bearsare,appetiteisbig,raisingtheperiodshallbegivenenoughfood,alsocanbe
appropriatelyfertilizationmakewaterqualityfertile,naturalfeedenough.Note10~15days
beforelayingeggswithhighqualityfeedtostrengthenthecultivation,soastofacilitatethe
developmentofthe.
(B)naturalfertilizedeggs
1.Layingeggs,hatchpoolchoicespawnin