10月26日,邳州市官湖鎮的朱美榮致電本報“漁技110”反映,她溫室養殖了5000-6000隻10克左右的甲魚,最近有5-6個池塘內的甲魚出現了裙邊上翹的現象,其他正常,前幾天使用過高錳酸鉀溶液消毒。他問:甲魚裙邊上翹是疾病引起的嗎?怎麼治療?
記ji者zhe就jiu此ci問wen題ti請qing教jiao了le寶bao應ying縣xian水shui產chan技ji術shu推tui廣guang站zhan站zhan長chang沈shen文wen平ping,沈shen文wen平ping表biao示shi,由you於yu最zui近jin氣qi溫wen較jiao低di,不bu是shi甲jia魚yu疾ji病bing的de高gao發fa期qi,朱zhu美mei榮rong家jia的de甲jia魚yu由you病bing原yuan感gan染ran引yin起qi發fa病bing的de可ke能neng性xing比bi較jiao小xiao,可ke能neng與yu前qian期qi池chi塘tang消xiao毒du時shi使shi用yong的de高gao錳meng酸suan鉀jia溶rong液ye濃nong度du過guo高gao有you關guan,高gao濃nong度du的de高gao錳meng酸suan鉀jia溶rong液ye可ke導dao致zhi池chi塘tang水shui體ti藥yao性xing過guo強qiang從cong而er引yin起qi甲jia魚yu裙qun邊bian上shang翹qiao。
shenwenpingshuo,ruojiayuqunbianshangqiaoyugaomengsuanjiarongyeyouguan,yinglijiquanchihuanshuijiangdichitangshuitideyaowunongdu,huanshuihoujiayujikeyouhaozhuan。huanshuishi,meicihuanshuiliangzhanquanchide20%左右,換水溫差不要超過5攝氏度。一般甲魚池塘消毒時多采用高錳酸鉀掛袋消毒法,且在掛袋消毒20-30分鍾後要及時將“消毒袋”取出,以免造成池塘水體藥物濃度過大降低甲魚品質甚至引起死亡。
天(tian)津(jin)市(shi)農(nong)墾(ken)集(ji)團(tuan)自(zi)沽(gu)農(nong)場(chang)的(de)趙(zhao)月(yue)軍(jun)曾(zeng)在(zai)溫(wen)室(shi)甲(jia)魚(yu)養(yang)殖(zhi)水(shui)體(ti)消(xiao)毒(du)劑(ji)選(xuan)擇(ze)試(shi)驗(yan)時(shi)發(fa)現(xian),當(dang)溫(wen)室(shi)甲(jia)魚(yu)水(shui)體(ti)氨(an)氮(dan)濃(nong)度(du)過(guo)高(gao)時(shi)不(bu)宜(yi)使(shi)用(yong)生(sheng)石(shi)灰(hui)消(xiao)毒(du)水(shui)體(ti)。若(ruo)使(shi)用(yong)生(sheng)石(shi)灰(hui)消(xiao)毒(du)池(chi)塘(tang)水(shui)體(ti),可(ke)使(shi)原(yuan)本(ben)氨(an)氮(dan)濃(nong)度(du)過(guo)高(gao)池(chi)塘(tang)的(de)ph值迅速上升,增強氨氮毒性,從而影響魚體內多種酶的活性,導致甲魚行動遲緩、側臥、低氧血症、厭(yan)食(shi),繼(ji)而(er)出(chu)現(xian)死(si)亡(wang)。建(jian)議(yi)在(zai)溫(wen)室(shi)甲(jia)魚(yu)養(yang)殖(zhi)的(de)日(ri)常(chang)消(xiao)毒(du)中(zhong)如(ru)氨(an)氮(dan)偏(pian)高(gao),采(cai)用(yong)氯(lv)製(zhi)劑(ji)或(huo)碘(dian)製(zhi)劑(ji)等(deng)進(jin)行(xing)消(xiao)毒(du),同(tong)時(shi)配(pei)合(he)其(qi)他(ta)相(xiang)應(ying)措(cuo)施(shi)降(jiang)低(di)池(chi)塘(tang)氨(an)氮(dan)濃(nong)度(du)的(de)含(han)量(liang),另(ling)也(ye)可(ke)通(tong)過(guo)施(shi)用(yong)增(zeng)氧(yang)粉(fen)、光合細菌、沸石粉或活性碳等改良池塘水質。
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