新生羔羊破傷風又名臍風、四六風,是因剪斷和結紮臍帶時使用了未經消毒的剪刀或不潔的線,使破傷風杆菌通過臍部感染所致。感染破傷風的羔羊常於出生後4-6天開始出現吸吮困難、牙關緊閉、麵部痙攣、眼(yan)縫(feng)變(bian)小(xiao)和(he)口(kou)角(jiao)向(xiang)外(wai)牽(qian)引(yin)等(deng)症(zheng)狀(zhuang)。病(bing)羊(yang)全(quan)身(shen)痙(jing)攣(luan)時(shi),頭(tou)向(xiang)後(hou)仰(yang),脊(ji)柱(zhu)前(qian)凸(tu),呈(cheng)角(jiao)弓(gong)反(fan)張(zhang)狀(zhuang)。嚴(yan)重(zhong)時(shi),病(bing)羊(yang)的(de)呼(hu)吸(xi)肌(ji)和(he)隔(ge)肌(ji)發(fa)生(sheng)痙(jing)攣(luan),最(zui)後(hou)因(yin)呼(hu)吸(xi)困(kun)難(nan)窒(zhi)息(xi)而(er)死(si)。
破po傷shang風feng杆gan菌jun是shi一yi種zhong厭yan氧yang菌jun,多duo隱yin藏zang在zai不bu幹gan淨jing的de泥ni土tu和he糞fen便bian中zhong。如ru羊yang圈quan的de環huan境jing衛wei生sheng及ji消xiao毒du滅mie菌jun工gong作zuo做zuo得de不bu好hao,加jia上shang一yi些xie養yang羊yang戶hu在zai接jie生sheng時shi沒mei有you對dui羔gao羊yang的de臍qi部bu認ren真zhen消xiao毒du和he結jie紮zha,很hen容rong易yi使shi羔gao羊yang感gan染ran破po傷shang風feng杆gan菌jun並bing發fa病bing。預yu防fang該gai病bing,必bi須xu搞gao好hao羊yang圈quan的de日ri常chang環huan境jing衛wei生sheng,每mei5-7天用石灰水、laisuerduiquanshexiaoduyici,fenbianyaomeiriqingli,bingqinhuandiantu,baochiquanshedimianqingjieganzao,chedixiaochuposhangfengganjuncunzaideyinhuan。gaoyangmianchuhou,yinglijiyongganjingdemobujiangqikou、鼻、耳內及周身的黏液掏淨擦幹,臍部創口用3%的雙氧水清洗後用消過毒的剪刀斷臍,距離臍帶3-5厘米處用消過毒的線結紮,並塗上5%的碘酊,有條件的還應給初生羔羊注射1500單位的破傷風抗毒素。
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