一、選擇藥物的一般原則。選擇藥物前,應對雞的病因進行準確診斷,根據獸醫技術人員的建議到質量有保證、信譽好的獸藥經營單位購買藥品,並注意每種藥品包裝上的生產批號、生產廠址、生產日期或保質期,以及使用說明書,嚴禁購入“三無”或過期變質的藥品。
二、正確鑒別不同劑型藥物的外觀質量。①片劑外觀應完整光潔、色澤均勻、有適宜的硬度,無黑點花斑、無破碎、發黏、變色,無異臭味。②粉針劑主要觀察有無黏瓶、變色、結塊、變質等。③水針劑藥液必須澄清,無混濁、變色、結晶、長菌等現象。④中藥材看其有無吸潮黴變、蟲蛀、鼠咬等。
三、合(he)理(li)用(yong)藥(yao)。用(yong)藥(yao)前(qian)對(dui)疾(ji)病(bing)作(zuo)出(chu)正(zheng)確(que)診(zhen)斷(duan),有(you)針(zhen)對(dui)性(xing)地(di)投(tou)藥(yao)。有(you)些(xie)養(yang)雞(ji)戶(hu)對(dui)此(ci)認(ren)識(shi)不(bu)足(zu),忽(hu)略(lve)了(le)正(zheng)確(que)診(zhen)斷(duan)的(de)重(zhong)要(yao)性(xing),雞(ji)有(you)病(bing)時(shi)即(ji)用(yong)藥(yao),一(yi)種(zhong)藥(yao)無(wu)效(xiao)時(shi),就(jiu)更(geng)換(huan)另(ling)一(yi)種(zhong),再(zai)無(wu)效(xiao)時(shi)再(zai)換(huan)藥(yao),這(zhe)種(zhong)治(zhi)療(liao)方(fang)法(fa)多(duo)半(ban)是(shi)失(shi)敗(bai)的(de)。更(geng)有(you)些(xie)養(yang)雞(ji)戶(hu)濫(lan)用(yong)藥(yao)物(wu)的(de)現(xian)象(xiang)十(shi)分(fen)嚴(yan)重(zhong),在(zai)飲(yin)水(shui)和(he)飼(si)料(liao)中(zhong)天(tian)天(tian)投(tou)藥(yao),無(wu)病(bing)預(yu)防(fang),有(you)病(bing)加(jia)倍(bei)用(yong)量(liang)。這(zhe)種(zhong)用(yong)藥(yao)方(fang)法(fa)不(bu)僅(jin)增(zeng)加(jia)成(cheng)本(ben),而(er)且(qie)使(shi)雞(ji)消(xiao)化(hua)道(dao)內(nei)菌(jun)群(qun)失(shi)調(tiao),破(po)壞(huai)了(le)機(ji)體(ti)的(de)平(ping)衡(heng)關(guan)係(xi),使(shi)雞(ji)的(de)抵(di)抗(kang)力(li)下(xia)降(jiang)。
四、按療程用藥。使用任何一種藥物都要有一定的療程,一般為3~5tian。ruguoyongyaoliaochengduan,jitineidebingjunzhishizanshibeiyizhi,genbenweibeishamie,yidantingzhiyongyao,shouyizhidebingjunjiangzhongxinshengchangfanzhi,yizhichuxiangengyanzhongdelinzhenzhengzhuang。youxieyangjihujiucunzaizhefangmiandewenti,yongyaobuzu2天,一看不起作用就改用別的藥物,造成療程過短,使藥物不能發揮正常效力。
五、yongyaojiguanli。yongyaodetongshi,bixugaishansiyangguanlihezuohaoweishengxiaodugongzuo。jiyoubingshigeiyaozhiliao,zhishikongzhiyibingdeyigefangmian,lingyifangmian,shangxugaishansiyangguanliheweishengxiaodugongzuo。youxiejihuanbingshiyouyusiyangguanlifangmiandecuowueryoufa,ruosiyangguanlibugaishan,zejifabingdeyouyinrengrancunzai,nanyihuodehaodeliaoxiao,zhishizaigeiyaoqijianjibufabingsiwang,tingzhiyongyaohou,jiyoukaishifabingsiwang。ciwai,jizaifabingqijian,fenmiwuhefenbianbuduanxiangwaipaichubingyuanti,wuranjideshengcunhuanjing,ruobuzuohaoweishengxiaodugongzuo,jichuzaibeibingyuantiwurandehuanjingzhong。dangzhiliaoshi,jiyintineiyouyidingdeyaowunongduershasibingyuanti,jikeyibufabingsiwang,tingzhiyongyaohou,tineideyaowuhenkuaibeipaichutiwai,jizaijiechudaobingyuantishi,henkuaiyoubeiganranfabing。zhejiushiyibanrensuoshuodeliaoxiaobulaogu,geiyaoshijibufabing,tingzhiyongyaohoushutianjiyoukaishifabingdeyuanyin。yinci,jiyoubingshi,bunengdanchunyilaiyaowuzhiliao,haibixugaishansiyangguanlihezuohaoweishengxiaodugongzuo,shijibuzaiyoujiechubingyuantidetiaojian,zheyangcainenggongguliaoxiao,tingzhiyongyaohoujiyebuzaifabingsiwang。
六、藥物治療的局限性。引起雞群發病的原因很多,包括管理上的原因,如溫度過高或過低、密度過大等;飼料營養方麵的原因,如飼料的營養價不全;寄生蟲方麵的原因,如球蟲、蛔蟲等;細菌方麵的原因,沙門氏杆菌、多殺性巴氏杆菌感染等;bingdufangmiandeyuanyin,ruxinchengyihemalikeshibingdeng。yaowunengqidaozhiliaozuoyongde,zhishiyouxijunhejishengchongyinqideyixiejibing,duiqitabingyinyinqidejibingzhiliaoshiwuxiaode,yourenrenweigeijichangchidianyao,jiukeyifangbinghezhibing,zhezhongguandianshicuowude。yaowuzhiliaobushiwannengde,tazhishijibingfangzhizhongdeyihuan,bunengyongyaowuzhiliaolaidaitiqitadeyufangcuoshi,ruzhusheyimiao、定期消毒、加強飼養管理等,要強化“防重於治”的思想。
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