一、放蝦苗前肥水
對(dui)蝦(xia)養(yang)殖(zhi)全(quan)過(guo)程(cheng),放(fang)蝦(xia)苗(miao)前(qian)必(bi)須(xu)肥(fei)水(shui)培(pei)養(yang)基(ji)礎(chu)餌(er)料(liao)生(sheng)物(wu)。通(tong)過(guo)肥(fei)水(shui),可(ke)使(shi)水(shui)體(ti)中(zhong)浮(fu)遊(you)植(zhi)物(wu)保(bao)持(chi)一(yi)個(ge)適(shi)當(dang)的(de)密(mi)度(du)和(he)旺(wang)盛(sheng)的(de)生(sheng)長(chang)狀(zhuang)態(tai),大(da)量(liang)吸(xi)收(shou)水(shui)體(ti)中(zhong)的(de)新(xin)陳(chen)代(dai)謝(xie)物(wu)(氮和二氧化碳),bingchanshengyangqi,cujinshuitizhongzhengchangdewuzhixunhuan,yidadaoshuitideziwogengxin。xinjianxiachikeyongjingfajiaodeyoujifeiheshengwufei,laochihuotunitangxuanyongshengwufeihuozhiwufeijiwujifeijiaohao。shifei5-7天後,一般都能把水做起來,當池水透明度達30厘米左右時,應停止施肥;zaiyangchengzhonghouqishishuisehetoumingduqingkuangfenbiebushihezhuifei,shishuisehetoumingdudadaofangmiaoheyangchengqishuizhiyaoqiu。tongguofeishui,peiyangchulianghaoshuisehetoumingdu,weiqudeyangxiachenggongdaxialianghaojichu。
二、及時處理問題
對蝦養殖必須每天做到巡塘,巡塘的重要內容之一是觀察水色和透明度。水色和透明度的微小變化必須做到及時發現,及時處理;這(zhe)項(xiang)工(gong)作(zuo)也(ye)可(ke)以(yi)是(shi)很(hen)簡(jian)單(dan),也(ye)可(ke)以(yi)是(shi)很(hen)複(fu)雜(za)。原(yuan)因(yin)是(shi),如(ru)果(guo)是(shi)有(you)經(jing)驗(yan)的(de)蝦(xia)農(nong),認(ren)識(shi)到(dao)水(shui)色(se)和(he)透(tou)明(ming)度(du)在(zai)對(dui)蝦(xia)養(yang)殖(zhi)中(zhong)的(de)重(zhong)要(yao)性(xing),能(neng)以(yi)分(fen)秒(miao)必(bi)爭(zheng)的(de)精(jing)神(shen),及(ji)時(shi)發(fa)現(xian),及(ji)時(shi)處(chu)理(li),方(fang)法(fa)很(hen)簡(jian)單(dan),成(cheng)本(ben)很(hen)少(shao),水(shui)色(se)和(he)透(tou)明(ming)度(du)得(de)到(dao)調(tiao)整(zheng),良(liang)好(hao)水(shui)色(se)和(he)透(tou)明(ming)度(du)得(de)到(dao)恢(hui)複(fu)。
相(xiang)反(fan),如(ru)果(guo)對(dui)此(ci)認(ren)識(shi)不(bu)足(zu),不(bu)及(ji)時(shi)處(chu)理(li),待(dai)池(chi)中(zhong)透(tou)明(ming)度(du)繼(ji)續(xu)加(jia)大(da)或(huo)渾(hun)濁(zhuo)時(shi),問(wen)題(ti)出(chu)現(xian)了(le),再(zai)來(lai)補(bu)救(jiu),需(xu)一(yi)定(ding)時(shi)間(jian)才(cai)能(neng)恢(hui)複(fu)原(yuan)來(lai)的(de)水(shui)色(se)和(he)透(tou)明(ming)度(du),花(hua)了(le)錢(qian)也(ye)未(wei)必(bi)有(you)效(xiao)果(guo),損(sun)失(shi)可(ke)能(neng)很(hen)大(da),甚(shen)至(zhi)導(dao)致(zhi)養(yang)蝦(xia)失(shi)敗(bai)。在(zai)這(zhe)方(fang)麵(mian),有(you)許(xu)多(duo)例(li)子(zi),應(ying)引(yin)以(yi)為(wei)鑒(jian)。這(zhe)對(dui)初(chu)次(ci)養(yang)殖(zhi)對(dui)蝦(xia)的(de)蝦(xia)農(nong)尤(you)為(wei)重(zhong)要(yao)。
三、使用微生物製劑
tiaojieshuisehetoumingdudegenbenmudeshiweichishuitideshengtaipingheng。yaoweichishuitideshengtaipingheng,yingjianchizoushengtaijiankangyangzhizhilu。nanmeibaiduixiayangzhizifangxiamiaohou,tongchangxuyaojinxing90天以上的養殖,才能達到上市規格。在這個養殖過程中,對蝦的排泄物、canerheshengwushitidengyoujiwubuduanjiju,duidizhichanshengwuran。ershuizhidebianhua,jutidishuo,shuisehetoumingdudebianhua,wangwangyoudizhiwuranyinqi。yinci,yigailiangdizhiweizhongxindeshuizhiguanli,shiyangxiadechengbaiguanjiancuoshizhiyi。
使(shi)用(yong)微(wei)生(sheng)物(wu)製(zhi)劑(ji)養(yang)蝦(xia),建(jian)立(li)一(yi)套(tao)生(sheng)態(tai)健(jian)康(kang)養(yang)殖(zhi)模(mo)式(shi),基(ji)本(ben)上(shang)是(shi)用(yong)一(yi)池(chi)水(shui)養(yang)一(yi)造(zao)蝦(xia)。利(li)用(yong)這(zhe)種(zhong)模(mo)式(shi)養(yang)蝦(xia),其(qi)目(mu)的(de)就(jiu)是(shi)維(wei)持(chi)水(shui)體(ti)生(sheng)態(tai)平(ping)衡(heng),要(yao)達(da)到(dao)這(zhe)個(ge)目(mu)的(de),必(bi)須(xu)使(shi)用(yong)微(wei)生(sheng)物(wu)製(zhi)劑(ji)養(yang)殖(zhi)對(dui)蝦(xia)模(mo)式(shi)。也(ye)就(jiu)是(shi)體(ti)現(xian)養(yang)蝦(xia)就(jiu)是(shi)養(yang)水(shui),保(bao)持(chi)水(shui)環(huan)境(jing)的(de)穩(wen)定(ding)和(he)蝦(xia)池(chi)的(de)生(sheng)態(tai)平(ping)衡(heng),達(da)到(dao)生(sheng)態(tai)防(fang)病(bing)的(de)最(zui)佳(jia)效(xiao)果(guo)。
目前使用的微生物製劑,主要是以芽孢杆菌為主導菌等的水底質調節的微生物製劑。代表品種如利生素、益生素、改水爽、菌王漿和EM菌及光合細菌等活菌製劑。微生物製劑中的有益細菌進入到蝦池後,發揮其氧化、氮化、硝化、反硝化、硫化、固氮等作用,把蝦的排泄物殘存飼料、生物屍體等有機物迅速分解為二氧化碳、硝酸鹽、磷酸鹽、硫liu酸suan鹽yan等deng,為wei單dan細xi胞bao藻zao類lei提ti供gong營ying養yang,促cu進jin單dan細xi胞bao藻zao類lei繁fan殖zhi和he生sheng長chang,同tong時shi自zi身shen迅xun速su繁fan殖zhi為wei優you勢shi菌jun種zhong,抑yi製zhi病bing原yuan微wei生sheng物wu的de滋zi長chang。單dan細xi胞bao藻zao類lei的de光guang合he作zuo用yong又you為wei有you機ji物wu的de氧yang化hua分fen解jie、微生物呼吸、蝦xia的de呼hu吸xi提ti供gong氧yang氣qi。循xun此ci往wang複fu,構gou成cheng一yi個ge良liang性xing生sheng態tai循xun環huan,使shi蝦xia池chi的de菌jun相xiang和he藻zao相xiang達da到dao平ping衡heng。維wei持chi穩wen定ding的de水shui色se和he透tou明ming度du,營ying造zao良liang好hao的de水shui質zhi環huan境jing。
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