近jin日ri,筆bi者zhe在zai走zou訪fang順shun德de勒le流liu的de某mou漁yu藥yao店dian時shi,碰peng巧qiao遇yu到dao該gai店dian的de技ji術shu員yuan正zheng在zai為wei加jia州zhou鱸lu魚yu養yang殖zhi戶hu診zhen斷duan魚yu病bing。根gen據ju技ji術shu員yuan的de初chu步bu診zhen斷duan,認ren為wei加jia州zhou鱸lu魚可能患了體表潰瘍、爛鰓等綜合症。主要症狀有:體ti表biao有you紅hong斑ban,嚴yan重zhong者zhe在zai背bei鰭qi和he腹fu鰭qi基ji部bu以yi後hou的de一yi側ce體ti表biao部bu位wei產chan生sheng病bing灶zao,形xing成cheng圓yuan形xing腐fu爛lan,呈cheng鍋guo底di形xing狀zhuang,甚shen至zhi肌ji肉rou腐fu爛lan可ke見jian骨gu骼ge,鰓sai絲si腐fu爛lan,有you淤yu泥ni。目mu前qian發fa病bing情qing況kuang已yi較jiao為wei嚴yan重zhong,已yi引yin起qi部bu分fen魚yu死si亡wang。
雖(sui)然(ran)這(zhe)隻(zhi)是(shi)個(ge)案(an),但(dan)技(ji)術(shu)員(yuan)認(ren)為(wei),目(mu)前(qian)的(de)高(gao)溫(wen)季(ji)節(jie),是(shi)魚(yu)病(bing)高(gao)發(fa)期(qi),如(ru)果(guo)處(chu)理(li)不(bu)當(dang),魚(yu)出(chu)現(xian)綜(zong)合(he)症(zheng)的(de)幾(ji)率(lv)較(jiao)大(da),嚴(yan)重(zhong)時(shi)會(hui)引(yin)起(qi)魚(yu)批(pi)量(liang)死(si)亡(wang),損(sun)失(shi)較(jiao)大(da)。技(ji)術(shu)員(yuan)向(xiang)筆(bi)者(zhe)分(fen)析(xi)了(le)引(yin)起(qi)發(fa)病(bing)的(de)主(zhu)要(yao)原(yuan)因(yin):
首(shou)先(xian)是(shi)水(shui)質(zhi)指(zhi)標(biao)超(chao)標(biao)等(deng)引(yin)起(qi)水(shui)體(ti)水(shui)質(zhi)惡(e)化(hua),加(jia)州(zhou)鱸(lu)攝(she)食(shi)較(jiao)少(shao),抗(kang)病(bing)力(li)降(jiang)低(di),給(gei)病(bing)原(yuan)菌(jun)侵(qin)入(ru)提(ti)供(gong)了(le)機(ji)會(hui)。技(ji)術(shu)員(yuan)稱(cheng),最(zui)近(jin)幾(ji)個(ge)月(yue),順(shun)德(de)地(di)區(qu)的(de)高(gao)溫(wen)天(tian)氣(qi)持(chi)續(xu),池(chi)水(shui)中(zhong)亞(ya)硝(xiao)酸(suan)鹽(yan)超(chao)標(biao)的(de)池(chi)塘(tang)較(jiao)多(duo),並(bing)且(qie)時(shi)有(you)暴(bao)雨(yu),魚(yu)類(lei)易(yi)出(chu)現(xian)應(ying)激(ji),如(ru)果(guo)水(shui)質(zhi)調(tiao)節(jie)不(bu)好(hao),溶(rong)氧(yang)不(bu)足(zu),很(hen)容(rong)易(yi)引(yin)起(qi)發(fa)病(bing)。
其qi次ci是shi在zai起qi捕bu成cheng魚yu上shang市shi時shi,操cao作zuo不bu當dang易yi引yin起qi留liu存cun加jia州zhou鱸lu體ti表biao損sun傷shang,從cong而er導dao致zhi致zhi病bing菌jun的de侵qin襲xi。還hai有you就jiu是shi高gao溫wen期qi加jia州zhou鱸lu魚yu冰bing鮮xian魚yu易yi變bian質zhi,養yang殖zhi戶hu在zai投tou喂wei時shi如ru果guo處chu理li不bu當dang,極ji易yi導dao致zhi病bing原yuan進jin入ru魚yu體ti引yin起qi發fa病bing。如ru果guo在zai高gao溫wen天tian沒mei有you控kong製zhi好hao投tou餌er量liang,魚yu攝she食shi過guo飽bao時shi易yi出chu現xian腸chang胃wei炎yan等deng病bing害hai。
genjudangqianjiazhoulufabingdejutiqingkuang,jishuyuanrenweibaochishuitiyouchongzurongyangshizuiguanjiande,zhejiuyaoqiuzaigaowenjijiedeqingtianzhongwuyijimenretiandengelietianqidebanyezengjiakaizengyangjishijian,tongshiyangzhihuyaozaipingshichubeiyixiehuaxuezengyangjihekangyingjiyaowu,ruliliyang、高力氧、水產應激靈等,以應對緊急情況。
pingshizhuyitiaojieyutangshuizhi,zhongshidizhidegailiang,bimianyaxiaosuanyanhuoantaidanyanzhongchaobiao,yongyaoshijinliangxuanyongweishengwuzhijihuozhongcaoyao,yangzhiguochengjinliangshaoyongcijixingdadeshachongyaohexiaoduji,weichishuitishengtaipingheng。jinruxiajishijinliangjianshaolawanghuofentangcaozuo,yaobaozhengbingxianyusiliaodezhiliang,touweiqianzuihaoyaojingguodianzhijixiaoduchuli,meiyuehaiyaotianjia1~2次連續3~5天的多維素及中草藥投喂。
在魚發病時,盡量采用中草藥治療為主,配合內服氟苯尼考或恩諾沙星加高穩維C或多維素和免疫多糖1~2個ge療liao程cheng,外wai用yong刺ci激ji性xing小xiao的de消xiao毒du劑ji潑po灑sa,並bing將jiang死si魚yu及ji時shi撈lao出chu池chi塘tang。此ci外wai技ji術shu員yuan強qiang調tiao最zui好hao是shi要yao從cong種zhong苗miao開kai始shi預yu防fang,放fang養yang質zhi量liang好hao,健jian康kang強qiang壯zhuang的de種zhong苗miao。
雖然目前已接近9月yue份fen,但dan對dui華hua南nan區qu來lai說shuo,高gao溫wen天tian氣qi仍reng將jiang持chi續xu,養yang殖zhi戶hu不bu但dan要yao做zuo好hao防fang暑shu降jiang溫wen工gong作zuo,還hai要yao在zai病bing害hai防fang治zhi上shang加jia強qiang力li度du,調tiao節jie好hao池chi塘tang水shui質zhi,並bing科ke學xue投tou喂wei冰bing鮮xian魚yu,盡jin量liang將jiang病bing害hai發fa病bing率lv降jiang低di到dao最zui低di水shui平ping。
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