給病牛投藥的方法要根據藥物劑型而定,常用的方法有以下四種。
一、水劑投藥法:把(ba)胃(wei)管(guan)或(huo)投(tou)藥(yao)管(guan)洗(xi)淨(jing),管(guan)外(wai)用(yong)水(shui)沾(zhan)濕(shi),空(kong)掉(diao)多(duo)餘(yu)水(shui),管(guan)頭(tou)沾(zhan)少(shao)許(xu)液(ye)體(ti)石(shi)蠟(la)潤(run)滑(hua),經(jing)鼻(bi)輕(qing)輕(qing)向(xiang)裏(li)插(cha)人(ren),到(dao)咽(yan)部(bu)時(shi)要(yao)用(yong)管(guan)頭(tou)輕(qing)輕(qing)觸(chu)動(dong)咽(yan)喉(hou),誘(you)發(fa)牛(niu)吞(tun)咽(yan),當(dang)吞(tun)咽(yan)時(shi)順(shun)勢(shi)插(cha)人(ren)食(shi)管(guan)。經(jing)過(guo)咽(yan)後(hou)要(yao)及(ji)時(shi)判(pan)定(ding)投(tou)藥(yao)管(guan)是(shi)否(fou)真(zhen)正(zheng)插(cha)人(ren)到(dao)了(le)食(shi)管(guan)內(nei),千(qian)萬(wan)不(bu)能(neng)將(jiang)投(tou)藥(yao)管(guan)錯(cuo)插(cha)到(dao)氣(qi)管(guan)裏(li)。確(que)認(ren)在(zai)食(shi)管(guan)內(nei)後(hou)繼(ji)續(xu)將(jiang)投(tou)藥(yao)管(guan)向(xiang)後(hou)插(cha)至(zhi)頸(jing)中(zhong)部(bu)以(yi)下(xia),然(ran)後(hou)接(jie)上(shang)漏(lou)鬥(dou),把(ba)藥(yao)液(ye)倒(dao)入(ru)漏(lou)鬥(dou)內(nei),高(gao)舉(ju)漏(lou)鬥(dou)超(chao)過(guo)牛(niu)頭(tou)部(bu)將(jiang)藥(yao)液(ye)灌(guan)入(ru)胃(wei)內(nei)。藥(yao)液(ye)灌(guan)完(wan)後(hou),在(zai)灌(guan)少(shao)量(liang)清(qing)水(shui),衝(chong)洗(xi)投(tou)藥(yao)管(guan),拔(ba)掉(diao)漏(lou)鬥(dou)並(bing)把(ba)投(tou)藥(yao)管(guan)內(nei)的(de)殘(can)留(liu)液(ye)吹(chui)人(ren)胃(wei)內(nei),然(ran)後(hou)用(yong)拇(mu)指(zhi)堵(du)住(zhu)藥(yao)管(guan)管(guan)日(ri)或(huo)把(ba)管(guan)折(zhe)疊(die)後(hou)緩(huan)慢(man)抽(chou)出(chu)。
二、糊劑投藥法:bingniuzaidanzhuhuoliuzhulanneibaoding,youzhushouqianyinbihuanshenghuoyongshouzhiniezhubizhongge,shiniutoushaoyang。ranhou,touyaozheyizhishouchishengyaodeguanjiao,shunkoujiaocharenkouqiang,songzhishemianzhongbujiangyaoguanxia,lingyizhishoukenayaopenzhiyukouxia,shoujiecongkoujiaoliuchudeyaowu。
三、丸劑投藥法:小xiao丸wan型xing用yong投tou藥yao槍qiang或huo裹guo在zai草cao團tuan中zhong投tou服fu,大da丸wan劑ji可ke用yong手shou投tou入ru。方fang法fa是shi用yong左zuo手shou從cong口kou角jiao伸shen入ru打da開kai口kou腔qiang,拉la出chu舌she頭tou,右you手shou持chi藥yao丸wan塞sai入ru舌she根gen部bu,左zuo手shou立li即ji鬆song開kai舌she頭tou,並bing拖tuo住zhu下xia頜he部bu,稍shao抬tai高gao牛niu頭tou,藥yao丸wan便bian可ke自zi然ran咽yan下xia。
四、舔劑投藥法:將藥加適量麵粉調成糊狀,打開口腔用木片將糊狀塗在舌根背部,隨即抬高牛頭,使其自然咽下。
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