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小龍蝦種苗生長緩慢的原因

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小龍蝦種苗生長緩慢的原因

發布日期:2019-04-02 作者:盱眙龍蝦 點擊:

1、疾病原因


疾病也是制約小龍蝦種苗規格的一個主要原因,尤其以纖毛蟲病最為常見。當纖毛蟲在蝦體上寄生時,會從蝦體上吸取營養而使小龍蝦身體瘦弱,小龍蝦種苗會因為缺乏營養而不能正常脫殼生長;還有當纖毛蟲寄生在小龍蝦鰓部時會影響小龍蝦鰓的呼吸功能,導致小龍蝦種苗不能正常呼吸而處于一個長期缺氧的狀態,最終小龍蝦種苗會因為長期缺氧而不能正常攝食、脫殼和生長,導致規格偏小。另外由于纖毛蟲的寄生甚至還會引起小龍蝦種苗其它疾病的發生而大量死亡,并且這樣的小龍蝦進入市場后也沒有消費者愿意購買。


FANGZHIFANGFA:

1.ZAIMEINIANCHUNJIDE“DAMAIHUANG”QIANYIXINGQIZUOYOU、“MEIYUJIJIE”DAOLAIQIANYIXINGQIZUOYOU(YIBANZAIMEINIANDE6YUEXIAXUNJINRUMEIYUJIJIE)、QIUJI“BAILU”QIANYIXINGQIZUOYOUFENBIEYONGYAOWUJINXINGYUFANG,JIXIANYONGYICISHACHONGYAO,GERIZAIYONGYICIXIAODUYAOWUJIKE。

2.XIAJIGAOWENJIJIEMEIGEBANGEYUEZUOYOUJIAOTISHIYONGGUANGHEXIJUNHESHENGSHIHUIJINXINGQUANCHIPOSAYIDIAOJIESHUIZHI,MEIGE7~10TIANZUOYOUZHUHUANYICIXINSHUI,BAOCHISHUIZHIQINGXIN,MEICIHUANSHUILIANGWEIYUANCHITANGSHUILIANGDE15%~20%ZUOYOU。

龍蝦種苗

2、水質原因


JINJINIAN,YOUYUSHOUQIHOUYINSUDEYINGXIANG,MEINIANDECHUNJIDOUSHIGANHANSHAOYU,SUOYIDABUFENYANGZHIHUZAICHUNJICHITANGDESHUIWEIDOUPIANQIAN,DANSHISUIZHUQIWENDEHUISHENG,TOUERLIANGDEZENGJIA,QICANER、FENBIANYIJICHIZHONGYOUJIWUDEFENJIEDOUHUIGEISHUIZHIDAILAIBULIANGYINGXIANG,ZHESHIYOUMEIYOUXINXIANDEWAIYUANSHUIJISHIJINXINGZHUHUANYIDIAOJIESHUIZHI,ERSHUIZHIDEHAOHUAIJIANGZHIJIEYINGXIANGXIAOLONGXIASHESHI、TUOKEHESHENGCHANG,ZHEXIEDOUZHIYUEZHUXIAOLONGXIADECHANGCHENGGUIGE。


JIANYIMEIGEBANGEYUEZUOYOUJIAOTISHIYONGGUANGHEXIJUNHESHENGSHIHUIJINXINGQUANCHIPOSAYIGAISHANSHUIZHI、DIAOJIESHUITIPHZHI,JIANGDICHIZHONGANDANHANLIANG,LINGWAIDINGQISHIYONGLINSUANERQINGGAIYIZENGJIACHISHUIZHONGLIZIGAIDEHANLIANGYICUJINXIAOLONGXIATUOKESHENGCHANG,LINSUANERQINGGAIDEYONGLIANGYIBANWEI2QIANKE/MU.MI。ZAIYOUWAIYUANSHUIZHUHUANSHIMEIGE7~10TIANZUOYOUZHUHUANYICIXINSHUI,MEICIHUANSHUILIANGWEIYUANCHITANGSHUILIANGDE15%~20%ZUOYOU。


3、種質原因


YOUYUXIAOLONGXIAJUYOUZIRANFANZHIDEXIXING,SUOYIJUEDADUOSHUYANGZHIHUCAIQUDEDOUSHIYINIANFANGZHONG,DUONIANYANGCHENGDEYANGZHIMOSHI,ZHEJIUBIRANDAOZHILONGXIAZHIJIANCUNZAIJINQINFANZHIDEWENTI,ZUIZHONGDAOZHILONGXIADEZHONGZHITUIHUA,GETIYUELAIYUEXIAO,BINGQIEZAIYANGZHIGUOCHENGZHONGYOUDOUCAIQUDESHIBUDALIUXIAODEFANGSHI,DENGDAOMEINIAN9YUEFENQIANHOUXUANLIUQINXIADESHIHOU,DAGUIGEDELONGXIAZAOYIMAIGUANG,SUOYIZHIYOUBANEIXIEJIAOXIAODELONGXIALIUZUOXIAYINIANDEQINXIAYONG,ZHEYANGDEQINXIABENSHENJIUCHA,QIFANZHIDEXIAYIDAIDEPINZHIJIUGENGNANYIDEDAOBAOZHENG。


JIANYIYANGZHIHUYAOMEIGE3NIANCHEDIQINGYICITANG,JIANGTANGZHONGSUOYOUDELONGXIAQUANBUQINGGUANGYIZHIBULIU,XIAYINIANGENGHUANXINDEQINXIA,HUOZHEZAIMEINIANDE9YUEFENQIANHOUCONGQITADIFANGDEYANGZHIHUNEILIYINJINYIDINGSHULIANGDEDAGUIGELONGXIAZUOWEIQINXIA。ZHUYI:ZAIYINJINQINXIADESHIHOUZAITONGYIGEDIFANGZHIXUYINJINYIZHONGXINGBIEDEQINXIAJIUKEYILE,RUGUOZAITONGYIGEDIFANGTONGSHIYINJINCIXIONGQINXIADEHUA,ZHETONGYANGKENENGHUICUNZAIJINQINFANZHIDEWENTI。QINXIADEXUANZEYAOQIUFUZHIQIQUAN,TIZHIJIANZHUANG,WUBINGWUSHANG,HUODONGNENGLIQIANG,TIZHONGZAI30~50KE/ZHIZUOYOU。


4、密度原因


pk10游戏YOUYUXIAOLONGXIAZIRANFANZHIDEXIXING,YINCIZAICHITANGYANGZHIGUOCHENGZHONGYAOXIANGSHIZHONGKONGZHIQIHESHIDEYANGZHIMIDUQUESHIFEICHANGKUNNAN,ERXIAOLONGXIASHENGXINGXIONGMENG,DANGMIDUTAIGAOSHIZIXIANGCANSHADEXIANXIANGJIWEIYANZHONG,ZHEYANGXIAOLONGXIAHUIYINWEIWUFAZHAODAOYIGEANQUANDETUOKECHANGSUOERTUICHITUOKE,DAOZHIZAIYANGZHIGUOCHENGZHONGTUOKECISHUJIANSHAOZUIZHONGGUIGEPIANXIAO。


在小龍蝦養殖過程中要采取捕大留小的方式,以降低池塘的養殖密度,不要指望等小龍蝦的市場價格高了以后再銷售,因為即使市場價格再高,如果所養出的小龍蝦的規格太小,那也不可能賣出高價錢,相反,即使市場價格不高,只要小龍蝦的規格大、品質好一樣會賣出好價錢的。小龍蝦具有攀附水草的習性,因此,在池中種植水花生、輪葉黑藻等水草,既可以為小龍蝦提供脫殼隱蔽的場所,又可以增加小龍蝦的生存空間而減少自相殘殺的機會。


5、飼料原因


SILIAOQUEFA、ZHILIANGCHA、YINGYANGBUQUAN,BUNENGMANZUXIAOLONGXIAZHENGCHANGSHENGCHANGXUYAOSHIKENDINGHUIYINGXIANGDAOXIAOLONGXIADETUOKESHENGCHANG,DAOZHIGUIGEPIANXIAO,DANSHIRUGUOCHANGQITOUWEIGAODANBAIDEJINGSILIAO,HUIDAOZHIXIAOLONGXIAYINGYANGDEJILEIERXINGCHENGXINGZAOSHUTINGZHISHENGCHANG,ZUIZHONGGUIGEYEHUIPIANXIAO。


XIAOLONGXIASHUYUZASHIXINGDONGWU,DONGWUXINGERLIAOHEZHIWUXINGERLIAODOUNENGSHESHI,YINCILIANGFANGMIANWOMENDOUYAOKAOLV,BUJINYAOTOUWEIYIXIEGAODANBAIDEJINGSILIAO,HUANYAOTOUWEIYIXIEGUWULEIDEZHIWUXINGSILIAOHEHUOLUOSIDENGDONGWUXINGSILIAO,LINGWAIHUANYAOZAICHITANGZHONGZHONGZHISHUIHUASHENG、LUNXIEHEIZAODENGSHUICAO,YINWEISHUICAOYIFANGMIANKEYIQIDAOWEIXIAOLONGXIABUCHONGZHIWUXINGSILIAODEMUDE,LINGYIFANGMIANSHUICAOHUANKEYIQIDAOJINGHUACHITANGSHUIZHIDEMUDE。ERQIESHUICAOCHANGDEHAODECHITANGQIXIADECHENGHUOLVYEGAO,PINZHIYEHAO,DANSHUICAODEMIANJIBUNENGCHAOGUOCHITANGZONGMIANJIDE60%,HUANYOUZAIMEINIANDEQINGMINGQIANHOUCHIZHONGBIXUFANGYANGLUOSI,YIBANMUFANG500GONGJINZUOYOU,YIHOUKEGENJUCHITANGDEJUTIQINGKUANGQUEDINGSHIFOUZAIBUFANGBUFENLUOSI。


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關鍵詞:龍蝦種苗,龍蝦種苗生長緩慢的原因

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