2.鯉魚的繁殖。當水溫回升到18sheshiduyishangjiukeyijinxingfanzhifuhuale。zailiyupeiduiqianyaozhunbeihaochanluantanghefuhuatang，baochishuizhiqingshuang。jiukeyilawangweiqinyutang，duiqinyujinxingtiaoxuanpeiduifanzhile


，ruguojitianjiuyoulengkongqiruqindehua，jiubuyaolawangle
，xuanzefubupengdaerrouruanfuyoudanxingdemuyujinxingfanzhi，anci、雄1比5depeibihoufangdaochanluantang

，zaiyutangderushuikouchushezhiyuchao。yongzhuganzhachengyigefangxing。daxiaoshiqinyudeduoshaoerding，zhongjianzaifangganjingqiejingguoxiaodudegenxifadadeshuihulu，zhebianxingchengyuchao。meitianzhuruxinshui，cijiqinyufaqingchanluan。chanluanjieshuhou，zaibazheluandeshuihulujinxingxiaodu，jianshaoshuimeibingdefasheng。xiaoduhouzaizhuanruzhunbeihaodefuhuatangfuhua。jianshaoyumiaozhuantangdemafan，meimukefangluandayue30萬左右。

 

　　3.魚yu卵luan的de孵fu化hua及ji魚yu苗miao的de培pei育yu。魚yu卵luan放fang到dao孵fu化hua塘tang後hou如ru果guo遇yu到dao陰yin雨yu天tian氣qi或huo冷leng空kong氣qi

，可ke用yong稻dao草cao或huo薄bo膜mo遮zhe蓋gai魚yu卵luan或huo相xiang應ying增zeng加jia水shui深shen度du。魚yu苗miao出chu膜mo時shi間jian一yi般ban為wei7tianzuoyou
，suiqiwendegaodilveyoutiqianhuoyanhou。daiyumiaojuyouyoudongnenglihou
，zainachuyuchao，dannachushiyidingyaozhuyiqingxishuihulu
，yifangyumiaosuiyuchaoqingchu。yumiaotuomohou3至5天內可以投喂些豆漿或發酵過的花生麩。每畝用量為2千克左右向全池潑灑。隨著魚苗長大

，也可逐漸加潑大糞水或投喂發酵過的雞、豬糞。同時為了提高魚苗的活動性，每日用樹枝拖塘1至2次。每天早上還要注意觀察魚苗有沒有浮頭現象，如有就應回注新水
，或待沒有浮頭後再分塘降低密度，一般每畝放10萬至20萬。每周逐漸加注10厘米深新水。隨著魚苗的增大


，就可逐漸疏塘出售魚苗了。