羊鼻蠅蛆病是由羊鼻蠅幼蟲寄生在羊的鼻腔及顱竇內引起的一種寄生蟲病。
臨床症狀 患羊鼻黏膜腫脹、發fa炎yan,並bing分fen泌mi漿jiang液ye性xing鼻bi液ye,後hou逐zhu漸jian流liu出chu膿nong性xing鼻bi液ye,帶dai血xue,鼻bi液ye在zai鼻bi孔kong處chu形xing成cheng硬ying痂jia,造zao成cheng呼hu吸xi困kun難nan,張zhang嘴zui呼hu吸xi,磨mo牙ya,食shi欲yu減jian退tui。患huan羊yang表biao現xian為wei騷sao動dong,驚jing慌huang不bu安an,常chang以yi鼻bi抵di地di或huo者zhe把ba鼻bi抵di在zai別bie的de羊yang身shen上shang,有you的de羊yang低di頭tou猛meng跑pao幾ji步bu,頻pin頻pin搖yao頭tou,噴pen鼻bi以yi躲duo避bi羊yang鼻bi蠅ying的de侵qin襲xi。個ge別bie羊yang發fa病bing後hou會hui出chu現xian神shen經jing症zheng狀zhuang,患huan羊yang表biao現xian運yun動dong失shi調tiao,作zuo旋xuan轉zhuan運yun動dong。
防治 (1)在養殖環境較差的圈舍,要徹底消滅羊鼻蠅蛆病比較困難,應貫徹“預防為主,防重於治”的de方fang針zhen。根gen據ju羊yang鼻bi蠅ying的de生sheng活huo史shi,在zai冬dong末mo春chun初chu,羊yang鼻bi蠅ying還hai未wei出chu蛹yong前qian,養yang殖zhi戶hu就jiu應ying在zai羊yang圈quan舍she的de圍wei欄lan周zhou圍wei牆qiang角jiao挖wa掘jue蛆qu蛹yong並bing將jiang其qi消xiao滅mie,平ping時shi每mei天tian早zao晨chen,如ru果guo在zai屋wu角jiao及ji陰yin暗an處chu發fa現xian有you羊yang鼻bi蠅ying成cheng蟲chong應ying隨sui時shi清qing除chu,地di麵mian撒sa施shi生sheng石shi灰hui粉fen,周zhou圍wei牆qiang壁bi是shi用yong滅mie蠅ying藥yao劑ji噴pen灑sa。(2)在羊鼻蠅蛆病流行的夏秋季節,應以消滅羊鼻腔內的第一期幼蟲為主,並使用以下藥物進行防治:1%的阿維菌素或伊維菌素藥物按0.2毫克/公斤體重皮下注射;敵百蟲溶液,75毫克/公斤兌水口服;用2%敵di百bai蟲chong溶rong液ye噴pen入ru病bing羊yang鼻bi腔qiang,在zai將jiang藥yao液ye噴pen入ru鼻bi腔qiang的de過guo程cheng中zhong,應ying讓rang羊yang的de頭tou部bu朝chao下xia,防fang止zhi藥yao液ye進jin入ru羊yang的de氣qi管guan和he肺fei髒zang內nei引yin起qi異yi物wu性xing肺fei炎yan。對dui於yu鼻bi炎yan症zheng狀zhuang嚴yan重zhong的de羊yang,要yao適shi當dang配pei合he使shi用yong抗kang菌jun藥yao物wu,以yi防fang繼ji發fa感gan染ran。
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