首先捉住病豬兩耳，使它站立保定
，然後用木棒或開口器撬開豬嘴，將藥片、藥(yao)丸(wan)或(huo)其(qi)他(ta)藥(yao)劑(ji)放(fang)置(zhi)於(yu)豬(zhu)舌(she)根(gen)背(bei)麵(mian)
，再(zai)倒(dao)入(ru)少(shao)量(liang)清(qing)水(shui)

，將(jiang)豬(zhu)嘴(zui)閉(bi)上(shang)，豬(zhu)即(ji)可(ke)將(jiang)藥(yao)物(wu)咽(yan)下(xia)。這(zhe)種(zhong)投(tou)藥(yao)方(fang)法(fa)限(xian)於(yu)少(shao)量(liang)藥(yao)物(wu)，若(ruo)喂(wei)大(da)量(liang)藥(yao)物(wu)，則(ze)應(ying)采(cai)取(qu)胃(wei)管(guan)投(tou)藥(yao)。

經鼻投藥法

將病豬站立或橫臥保定
，要求鼻孔向上
，緊閉嘴巴，把易溶於水的藥物溶於30毫升至50毫hao升sheng水shui中zhong，再zai將jiang藥yao水shui吸xi入ru膠jiao皮pi球qiu中zhong，慢man慢man滴di入ru病bing豬zhu鼻bi孔kong內nei

，豬zhu就jiu一yi口kou一yi口kou地di把ba藥yao水shui咽yan下xia。這zhe種zhong方fang法fa簡jian單dan易yi行xing，大da小xiao豬zhu都dou可ke采cai用yong。量liang大da或huo不bu溶rong於yu水shui的de藥yao物wu不bu宜yi采cai用yong此ci法fa。

胃管投藥法

將(jiang)豬(zhu)站(zhan)立(li)或(huo)橫(heng)臥(wo)保(bao)定(ding)，把(ba)頭(tou)部(bu)固(gu)定(ding)

，使(shi)之(zhi)不(bu)能(neng)自(zi)由(you)活(huo)動(dong)。用(yong)開(kai)口(kou)器(qi)將(jiang)豬(zhu)嘴(zui)撬(qiao)開(kai)

，把(ba)胃(wei)管(guan)從(cong)舌(she)麵(mian)迅(xun)速(su)通(tong)過(guo)舌(she)根(gen)部(bu)插(cha)入(ru)食(shi)管(guan)中(zhong)。當(dang)胃(wei)管(guan)確(que)定(ding)插(cha)入(ru)位(wei)置(zhi)無(wu)誤(wu)時(shi)
，即(ji)可(ke)注(zhu)入(ru)事(shi)先(xian)溶(rong)解(jie)好(hao)的(de)藥(yao)物(wu)。灌(guan)完(wan)藥(yao)後(hou)再(zai)向(xiang)管(guan)內(nei)打(da)入(ru)少(shao)量(liang)氣(qi)體(ti)，使(shi)胃(wei)管(guan)內(nei)藥(yao)物(wu)排(pai)空(kong)
，然(ran)後(hou)迅(xun)速(su)拔(ba)出(chu)胃(wei)管(guan)。檢(jian)查(zha)胃(wei)管(guan)是(shi)否(fou)插(cha)入(ru)食(shi)道(dao)的(de)方(fang)法(fa)：yishiyongyabiedejiaopiqiulianzaiweiguandewaikoushang
，ruguoqiurengranbaochiyuanzhuangerbuguqi
，jiangjiaopiqiuchongqixiangweiguandaqierchangtongwuzu，jizhengmingweiguanyijinrushidaohuoweinei。ershijiangweiguanwaikoujinzaishuizhong，ruguosuibingzhuhuxipenchuqipao，zeshicharuleqiguan。ruguowuqipaofasheng，zeshicharuleshiguan。sanshiruguoweiguancharuleqiguan，zezhubujiaohuojiaoshengdiruo。ruguoweiguancharushiguanle，zejiaoshengbubian。

灌腸法

就jiu是shi將jiang無wu刺ci激ji性xing的de藥yao物wu灌guan入ru病bing豬zhu直zhi腸chang內nei，由you直zhi腸chang內nei黏nian膜mo予yu以yi吸xi收shou。當dang豬zhu患huan口kou腔qiang疾ji病bing不bu易yi吞tun咽yan食shi物wu時shi，通tong常chang采cai用yong灌guan腸chang法fa給gei其qi補bu充chong營ying養yang。豬zhu便bian秘mi時shi
，也ye可ke以yi給gei其qi灌guan腸chang促cu進jin腸chang管guan內nei的de糞fen便bian排pai出chu。治zhi療liao用yong的de灌guan腸chang劑ji主zhu要yao是shi用yong溫wen水shui、生理鹽水或1%的肥皂水。灌注營養物時，首先灌注溫水，把病豬直腸內的糞便排除後
，再灌注營養物質。具體做法是：先xian把ba病bing豬zhu保bao定ding好hao
，將jiang灌guan腸chang器qi塗tu上shang油you類lei或huo肥fei皂zao水shui，再zai由you肛gang門men插cha入ru直zhi腸chang，然ran後hou高gao舉ju灌guan腸chang桶tong，使shi桶tong內nei的de藥yao液ye或huo營ying養yang液ye流liu入ru直zhi腸chang。灌guan注zhu以yi後hou，必bi須xu使shi病bing豬zhu保bao持chi安an靜jing。當dang病bing豬zhu有you要yao排pai糞fen的de表biao現xian時shi
，立li即ji用yong手shou掌zhang在zai其qi尾wei根gen上shang部bu連lian續xu拍pai打da幾ji下xia
，使shi其qi肛gang門men括kuo約yue肌ji收shou縮suo，防fang止zhi藥yao液ye或huo營ying養yang液ye外wai流liu。

注射法

因技術性較強，必須由專業人員持專用設備進行操作。一般有皮下注射、肌肉注射、靜脈注射
、氣管注射、腹腔注射等幾種。