wenshiyangzhibie,yintongfengtiaojiancha,huanshuiliangxiao,siyangchitangchuyuxiangduifengbizhuangtai,shichishuiyifuyingyanghuaerlaohua,congeryingxiangbiedezhengchangshengchang。yinci,jiaqiangdongjiwenshiyangzhibiechishuidezhiliangguanli,duijianshaobiejibing、tigaoqichenghuolvfeichangzhongyao。xiangenjuanhuishengbengbushishuichangaokegongsiduonianlaideyangzhijingyan,yijihuayanzhongxindejiancezhibiaojiangwenshiyangzhibiedeshuizhiguanlijishujieshaoruxia。
堅持科學投餌,減少水質汙染
建築池塘時,在養殖鱉池塘北側修建一略高於水麵的餌料台,在餌料台和池水之間修一直徑10厘米~20厘(li)米(mi)半(ban)徑(jing)形(xing)水(shui)溝(gou),減(jian)少(shao)因(yin)鱉(bie)爭(zheng)食(shi)和(he)跑(pao)動(dong)把(ba)餌(er)料(liao)拖(tuo)到(dao)水(shui)中(zhong)造(zao)成(cheng)餌(er)料(liao)汙(wu)染(ran),同(tong)時(shi)有(you)利(li)於(yu)清(qing)除(chu)殘(can)餌(er),並(bing)可(ke)把(ba)刷(shua)洗(xi)餌(er)料(liao)台(tai)的(de)汙(wu)水(shui)順(shun)著(zhe)水(shui)溝(gou)排(pai)到(dao)池(chi)外(wai),減(jian)少(shao)水(shui)質(zhi)汙(wu)染(ran)。幼(you)稚(zhi)鱉(bie)入(ru)池(chi)後(hou),要(yao)進(jin)行(xing)一(yi)定(ding)時(shi)間(jian)的(de)馴(xun)化(hua),讓(rang)其(qi)到(dao)食(shi)台(tai)攝(she)食(shi)。飼(si)料(liao)投(tou)喂(wei)要(yao)堅(jian)持(chi)“四定”,定時:上午9時、下午4時各投喂1次,使鱉養成按時進食的習慣;定量:根據每天的吃食情況和水質變化,一般日投量按鱉體重的3%~5%投喂,掌握在1小時內吃完最好;定位:將配合飼料作成細長條狀,貼在食台上;定質:投喂全價配合飼料,並輔以鮮活餌料,防止投喂腐敗變質的飼料。
加強日常管理
根(gen)據(ju)天(tian)氣(qi)情(qing)況(kuang),每(mei)天(tian)中(zhong)午(wu)開(kai)啟(qi)通(tong)風(feng)孔(kong),以(yi)利(li)於(yu)通(tong)風(feng)換(huan)氣(qi),使(shi)有(you)害(hai)氣(qi)體(ti)逸(yi)出(chu),為(wei)室(shi)內(nei)增(zeng)加(jia)新(xin)鮮(xian)空(kong)氣(qi)。每(mei)天(tian)清(qing)洗(xi)食(shi)台(tai),防(fang)止(zhi)鱉(bie)誤(wu)食(shi)變(bian)質(zhi)殘(can)渣(zha)。池(chi)內(nei)可(ke)加(jia)增(zeng)氧(yang)設(she)置(zhi),增(zeng)氧(yang)並(bing)加(jia)速(su)池(chi)內(nei)水(shui)流(liu)動(dong),改(gai)善(shan)水(shui)質(zhi)。定(ding)期(qi)潑(po)灑(sa)二(er)氧(yang)化(hua)氯(lv)等(deng)氯(lv)製(zhi)劑(ji),殺(sha)滅(mie)病(bing)原(yuan)體(ti),同(tong)時(shi)起(qi)到(dao)改(gai)善(shan)水(shui)質(zhi)的(de)作(zuo)用(yong)。待(dai)藥(yao)力(li)消(xiao)失(shi)後(hou),可(ke)施(shi)用(yong)一(yi)些(xie)活(huo)性(xing)酵(jiao)素(su)或(huo)光(guang)合(he)細(xi)菌(jun),增(zeng)加(jia)池(chi)內(nei)的(de)生(sheng)物(wu)淨(jing)化(hua)功(gong)能(neng)。根(gen)據(ju)池(chi)水(shui)的(de)老(lao)化(hua)程(cheng)度(du),定(ding)期(qi)換(huan)一(yi)部(bu)分(fen)新(xin)水(shui)。為(wei)節(jie)約(yue)能(neng)源(yuan),可(ke)在(zai)大(da)棚(peng)內(nei)置(zhi)火(huo)爐(lu),這(zhe)樣(yang)能(neng)提(ti)高(gao)室(shi)溫(wen),減(jian)少(shao)池(chi)水(shui)蒸(zheng)發(fa),使(shi)棚(peng)內(nei)光(guang)照(zhao)加(jia)強(qiang),有(you)利(li)於(yu)池(chi)中(zhong)水(shui)生(sheng)植(zhi)物(wu)的(de)光(guang)合(he)作(zuo)用(yong)和(he)生(sheng)長(chang);也可在火爐火牆上置一大桶,將水預熱至池水溫度相同時,抽出部分池底水,加入新水,有效防止水質老化。
移植水生植物,肥水培育一舉多得
在養鱉池中移植一些水葫蘆、浮fu萍ping等deng綠lv色se植zhi物wu,既ji可ke吸xi收shou有you害hai物wu質zhi,減jian輕qing水shui質zhi惡e化hua程cheng度du,控kong製zhi池chi水shui肥fei度du,又you可ke以yi為wei鱉bie提ti供gong良liang好hao的de遮zhe蔽bi生sheng態tai環huan境jing,對dui淨jing化hua水shui質zhi有you明ming顯xian的de作zuo用yong。這zhe是shi因yin為wei綠lv色se植zhi物wu能neng吸xi收shou水shui中zhong的de二er氧yang化hua碳tan,釋shi放fang氧yang氣qi,既ji淨jing化hua了le水shui質zhi,又you淨jing化hua了le棚peng內nei的de空kong氣qi,同tong時shi也ye可ke以yi肥fei水shui培pei育yu浮fu遊you生sheng物wu,合he理li搭da配pei底di棲qi動dong物wu。在zai幼you鱉bie入ru池chi前qian,經jing過guo消xiao毒du處chu理li後hou的de池chi水shui,按an1立方米水均勻潑灑複合肥(如磷酸二胺等)3克~5克。同時引進藻種(含綠藻較多的池水)5升~8升。經過1周後,水逐漸變綠,再引進一些水蚤轉自,放入池中。稚鱉入池後,若養殖池較大,可放入一部分鰱、鱅魚(比例為3∶1),這樣浮遊植物、細菌、水shui生sheng植zhi物wu通tong過guo吸xi收shou水shui中zhong的de養yang分fen,淨jing化hua水shui質zhi,鰱lian魚yu以yi浮fu遊you生sheng物wu和he細xi菌jun為wei食shi,浮fu遊you植zhi物wu和he細xi菌jun為wei鱉bie提ti供gong天tian然ran餌er料liao。如ru此ci循xun環huan反fan複fu,使shi水shui質zhi得de到dao淨jing化hua.
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