目前農村中飼養肉鴨大有可圖,因為肉鴨飼養周期短。但是養殖戶為防治肉鴨疫病而濫用獸藥、不合理地用藥的現象也很普遍。現就目前肉鴨用藥存在的問題及對策進行分析和總結,便於大家參考。
用藥存在的問題
一、化hua學xue藥yao物wu長chang期qi使shi用yong。許xu多duo養yang殖zhi戶hu認ren為wei肉rou鴨ya飼si養yang周zhou期qi短duan,一yi般ban不bu做zuo疫yi苗miao預yu防fang,不bu管guan肉rou鴨ya有you無wu疾ji病bing,總zong是shi經jing常chang不bu斷duan地di在zai肉rou鴨ya飼si料liao中zhong或huo飲yin水shui中zhong添tian加jia大da量liang化hua學xue藥yao物wu,如ru磺huang胺an類lei。其qi最zui終zhong結jie果guo是shi肉rou鴨ya產chan生sheng耐nai藥yao性xing甚shen至zhi中zhong毒du,在zai疫yi病bing發fa生sheng時shi,再zai使shi用yong這zhe類lei獸shou藥yao時shi,增zeng大da了le治zhi療liao難nan度du,增zeng加jia了le治zhi療liao成cheng本ben。
二、不(bu)注(zhu)意(yi)藥(yao)物(wu)之(zhi)間(jian)的(de)配(pei)伍(wu)。養(yang)殖(zhi)戶(hu)不(bu)懂(dong)藥(yao)物(wu)之(zhi)間(jian)的(de)相(xiang)互(hu)作(zuo)用(yong),認(ren)為(wei)多(duo)種(zhong)藥(yao)物(wu)合(he)用(yong),就(jiu)會(hui)增(zeng)加(jia)療(liao)效(xiao)。常(chang)見(jian)到(dao)養(yang)殖(zhi)戶(hu)把(ba)磺(huang)胺(an)類(lei)藥(yao)同(tong)喹(kui)諾(nuo)酮(tong)類(lei)藥(yao)物(wu)合(he)用(yong),其(qi)結(jie)果(guo)造(zao)成(cheng)喹(kui)諾(nuo)酮(tong)類(lei)藥(yao)物(wu)療(liao)效(xiao)降(jiang)低(di)或(huo)失(shi)效(xiao),不(bu)僅(jin)起(qi)不(bu)到(dao)治(zhi)療(liao)作(zuo)用(yong),而(er)且(qie)提(ti)高(gao)了(le)治(zhi)療(liao)成(cheng)本(ben)。臨(lin)床(chuang)常(chang)見(jian)的(de)不(bu)合(he)理(li)配(pei)伍(wu)用(yong)藥(yao)很(hen)多(duo),如(ru):紅黴素類和磺胺類合用,慶大黴素與青黴素類、卡那黴素類與喹諾酮類等。
三、yongyaojiliangbudang。yidanrouyafabing,wangwangduizhengqunrouyajinxingchangqichaojiliangyongyao,yangzhihurenweiyaowujiliangyueda,xiaoguoyuehao,yinciwuxianzhidisuiyijiadayongyaojiliang,jieguoshirouyajitineizangqiguanshousun,daixieshitiao,shenzhichuxianyaowuxuji、殘留甚至中毒。
四、不bu對dui症zheng治zhi療liao。肉rou鴨ya由you於yu轉zhuan換huan飼si料liao未wei適shi應ying時shi,礦kuang物wu質zhi和he電dian解jie質zhi不bu平ping衡heng等deng導dao致zhi的de腹fu瀉xie。而er養yang殖zhi戶hu立li即ji長chang期qi使shi用yong抗kang生sheng素su,其qi結jie果guo殺sha死si或huo抑yi製zhi了le腸chang道dao正zheng常chang細xi菌jun群qun而er使shi致zhi病bing性xing細xi菌jun迅xun速su繁fan殖zhi,導dao致zhi腹fu瀉xie更geng加jia嚴yan重zhong,久jiu治zhi難nan愈yu。還hai有you些xie養yang鴨ya戶hu治zhi療liao肉rou鴨ya的de病bing毒du性xing疾ji病bing,僅jin僅jin隻zhi用yong抗kang菌jun藥yao物wu,忽hu略lve了le對dui症zheng治zhi療liao和he調tiao節jie電dian解jie質zhi平ping衡heng、補充能量。
五、給gei藥yao方fang法fa不bu當dang,療liao程cheng不bu足zu。任ren何he藥yao物wu都dou有you一yi定ding的de給gei藥yao方fang式shi,根gen據ju藥yao物wu的de性xing質zhi,鴨ya的de生sheng理li特te點dian等deng決jue定ding了le藥yao物wu的de給gei藥yao途tu徑jing不bu同tong。肉rou鴨ya在zai一yi般ban情qing況kuang下xia最zui好hao拌ban料liao,也ye可ke飲yin水shui,但dan劑ji量liang加jia倍bei;當(dang)嚴(yan)重(zhong)時(shi)還(hai)可(ke)以(yi)注(zhu)射(she)。許(xu)多(duo)養(yang)殖(zhi)戶(hu)不(bu)僅(jin)存(cun)在(zai)著(zhe)給(gei)藥(yao)方(fang)法(fa)不(bu)當(dang)的(de)現(xian)象(xiang),而(er)且(qie)還(hai)有(you)用(yong)藥(yao)治(zhi)療(liao)不(bu)徹(che)底(di)的(de)問(wen)題(ti)。用(yong)藥(yao)治(zhi)病(bing)都(dou)有(you)一(yi)定(ding)的(de)療(liao)程(cheng),一(yi)般(ban)用(yong)藥(yao)時(shi)間(jian)為(wei)5-7天,有的養殖戶投藥2-3天,剛看到病情好轉,就停藥,或者馬上換別的藥物。由於藥物在血液中的有效濃度不夠,使得病情反複發作。
六、長期使用消毒藥。養鴨戶在進行活疫苗的接種時,連續應用消毒藥物進行帶雞噴霧消毒或將水消毒。這樣使得疫苗中的病毒(細菌)不能在機體中充分繁殖,從而影響免疫效果。有的養鴨戶長期應用腐蝕性消毒藥物(如高錳酸鉀)給鴨飲水消毒,損害了口腔、食道鼻腔等消化道和呼吸道粘膜。在這期間使用鴨瘟、yagandengyimiaojinxingmianyiyufang,jitibianbunenghenhaodejianlimianyiyingda,shimianyishibai。tongshi,burongyifenjiedexiaoduyaojinruchangdaohouhaishamiezhengchangdejunqun,yinqixiaohuabuliang。
合理用藥的方法
一、充分了解獸藥,科學用藥。加強對獸藥知識的學習和了解,弄清藥物的主要成分和藥理作用。充分考慮肉鴨的實際病情,選用藥效可靠、安全、方便、價(jia)廉(lian)的(de)獸(shou)藥(yao)。反(fan)對(dui)濫(lan)用(yong)藥(yao)物(wu),尤(you)其(qi)不(bu)能(neng)長(chang)期(qi)大(da)劑(ji)量(liang)使(shi)用(yong)抗(kang)菌(jun)藥(yao)物(wu)。肉(rou)鴨(ya)正(zheng)確(que)用(yong)藥(yao)的(de)關(guan)鍵(jian)是(shi)對(dui)病(bing)情(qing)正(zheng)確(que)的(de)診(zhen)斷(duan)。一(yi)般(ban)肉(rou)鴨(ya)發(fa)病(bing)有(you)的(de)是(shi)由(you)病(bing)毒(du)引(yin)起(qi)的(de),如(ru)鴨(ya)瘟(wen)、鴨肝炎等;有的是由細菌感染的,如漿膜炎、大腸杆菌病。病毒病常采用幹擾素、血清、卵黃抗體、黃芪多糖等藥物治療,細菌病選用高效的抗菌藥物進行治療。肉鴨用藥治病,要掌握中藥和西藥相結合、抗kang病bing毒du和he抗kang菌jun病bing相xiang結jie合he的de原yuan則ze,不bu能neng盲mang目mu大da劑ji量liang給gei藥yao。幾ji乎hu所suo有you的de藥yao物wu不bu僅jin有you治zhi療liao作zuo用yong,也ye存cun在zai不bu良liang反fan應ying。科ke學xue地di合he理li使shi用yong抗kang病bing毒du藥yao和he抗kang菌jun藥yao,按an說shuo明ming書shu的de劑ji量liang,不bu能neng盲mang目mu地di隨sui意yi加jia大da用yong藥yao的de劑ji量liang,以yi防fang藥yao物wu中zhong毒du。如ru果guo在zai用yong藥yao之zhi前qian提ti前qian使shi用yong電dian解jie多duo維wei等deng藥yao物wu,可ke以yi降jiang低di應ying激ji反fan應ying,提ti高gao鴨ya群qun的de抗kang病bing力li。
二、lianheyongyao。rouyayongyaozhongyoushicaiyonglianheyongyao,qimudezhuyaozaiyukuodakangjunpu,zengqiangliaoxiao,jianshaoyongliang,bimiannaiyaoxingdechansheng,jiangdidufuzuoyongdeng。lianheyongyaoyaozhuyiyaowudepeiwujinji,youxieyaowuheyongnengchanshengxietongzuoyong,eryoudeyaowuheyonghuichanshengniankangzuoyong。liruhuanganyaoyukangjunzengxiaojiTMP或DVD合(he)用(yong),使(shi)藥(yao)物(wu)抗(kang)菌(jun)增(zeng)強(qiang),抗(kang)菌(jun)範(fan)圍(wei)擴(kuo)大(da)收(shou)到(dao)很(hen)好(hao)的(de)作(zuo)用(yong)。新(xin)黴(mei)素(su)與(yu)強(qiang)力(li)黴(mei)素(su)增(zeng)強(qiang)療(liao)效(xiao)。應(ying)用(yong)抗(kang)菌(jun)藥(yao)物(wu)治(zhi)療(liao)過(guo)程(cheng)中(zhong)還(hai)要(yao)注(zhu)意(yi)耐(nai)藥(yao)性(xing),其(qi)中(zhong)大(da)腸(chang)杆(gan)菌(jun)、綠膿杆菌、痢疾杆菌等最易產生耐藥性。還應該考慮用中草藥,如魚腥草、青蒿、馬齒莧等易得草藥。
三、製定合理的給藥方案、geiyaofangshi。rouyayongyaoshangshouxianyaojiehebingqingzhidinghelidegeiyaofangan,zuihaozaishouyidezhidaoxiajinxing。yongkangjunyaozhibingshibixuyouheshidejiliang,jiangeshijianjiliaocheng。liaochengyingchongzu,yibandeganranxingjibingkelianxuyongyao3-4天,症狀消失後,再鞏固1-2天(tian),以(yi)防(fang)複(fu)發(fa),磺(huang)胺(an)類(lei)藥(yao)的(de)療(liao)程(cheng)更(geng)長(chang)。藥(yao)物(wu)的(de)劑(ji)量(liang)的(de)應(ying)用(yong)應(ying)根(gen)據(ju)病(bing)情(qing),對(dui)急(ji)性(xing)傳(chuan)染(ran)病(bing)和(he)嚴(yan)重(zhong)感(gan)染(ran)病(bing)例(li)劑(ji)量(liang)應(ying)增(zeng)大(da),使(shi)藥(yao)物(wu)在(zai)血(xue)液(ye)中(zhong)盡(jin)快(kuai)達(da)到(dao)有(you)效(xiao)藥(yao)濃(nong)度(du),給(gei)病(bing)原(yuan)以(yi)致(zhi)命(ming)打(da)擊(ji)。藥(yao)物(wu)的(de)應(ying)用(yong)還(hai)應(ying)特(te)別(bie)注(zhu)意(yi)給(gei)藥(yao)方(fang)式(shi),一(yi)些(xie)藥(yao)物(wu)內(nei)服(fu)易(yi)被(bei)胃(wei)酸(suan)和(he)消(xiao)化(hua)酶(mei)破(po)壞(huai),僅(jin)少(shao)量(liang)吸(xi)收(shou),就(jiu)不(bu)能(neng)采(cai)用(yong)口(kou)服(fu)。如(ru)青(qing)黴(mei)素(su)類(lei)大(da)部(bu)分(fen)要(yao)肌(ji)肉(rou)注(zhu)射(she),很(hen)少(shao)一(yi)部(bu)分(fen)用(yong)於(yu)口(kou)服(fu)。對(dui)於(yu)呼(hu)吸(xi)道(dao)疾(ji)病(bing)可(ke)以(yi)噴(pen)霧(wu)治(zhi)療(liao)。
四、dingqixiaodu,jiaqiangmianyi。dingqijinxingxiaoduduifangzhiyabingjuyoujijizuoyong。yinggaixuanyongyoujilvdenggaoxiaodidudexiaoduyao,muqianyongyurouyayangzhichanghuanjingxiaodudeyaowuyou:醛類(甲醛、戊二醛)、堿類(如燒堿、生石灰)、鹵素類(氯製劑有漂白粉、消毒王、滅毒威等,碘製劑有碘三氧)、過氧化物類(如過氧乙酸)、季胺鹽類(如百毒殺)。消毒前先要做物理性的清掃衝洗,以防有機物(如糞、尿、膿血、體液等)的存在,然後再噴灑藥液進行消毒。製定消毒程序,一般10-15天進行一次帶鴨消毒,5-7天(tian)一(yi)次(ci)環(huan)境(jing)消(xiao)毒(du)。同(tong)時(shi),疫(yi)苗(miao)預(yu)防(fang)必(bi)不(bu)可(ke)少(shao),要(yao)加(jia)強(qiang)疫(yi)苗(miao)的(de)防(fang)疫(yi),結(jie)合(he)當(dang)地(di)疫(yi)病(bing)製(zhi)定(ding)合(he)理(li)的(de)免(mian)疫(yi)程(cheng)序(xu),雖(sui)然(ran)肉(rou)鴨(ya)生(sheng)長(chang)周(zhou)期(qi)短(duan),但(dan)是(shi)藥(yao)物(wu)預(yu)防(fang)不(bu)能(neng)代(dai)替(ti)疫(yi)苗(miao)預(yu)防(fang)。
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