凍傷的危害
國家奶業科技創新體係崗位科學家、shandongnongyedaxuedongwukejixueyuanjiaoshouwangzhonghuashuo,dongshangfenweiqianbiaodongshangheshencengdongshang。nainiuqianbiaopifudongshanghou,xueguanqianglieshousuo,shizuzhiquexue,fuwenhouxueguankuozhang,pifuchongxue,dongshangbuweizhuotong、騷癢,出現紅腫熱痛。嚴重時凍出大小不等的水皰,兩三周後水皰幹枯,形成幹痂,痂皮脫落時有新皮覆蓋創麵。
深(shen)層(ceng)凍(dong)傷(shang)的(de)危(wei)害(hai)是(shi)全(quan)層(ceng)皮(pi)膚(fu)和(he)皮(pi)下(xia)組(zu)織(zhi)受(shou)凍(dong)壞(huai)死(si),凍(dong)傷(shang)深(shen)及(ji)骨(gu)骼(ge),壞(huai)死(si)潰(kui)爛(lan),發(fa)黑(hei)變(bian)幹(gan),最(zui)後(hou)壞(huai)死(si)部(bu)和(he)健(jian)康(kang)組(zu)織(zhi)界(jie)限(xian)分(fen)離(li),壞(huai)死(si)部(bu)腐(fu)爛(lan)脫(tuo)落(luo)。
凍傷預防
dongjiyingzuohaoniushedeyuhanbaowengongzuo,zaiwendujiaodishijishijiangniuqianrushenei,bingjingchangjianzhaniusheshifoucunzailoudong,yifanglengfengxiru。niusheneiyingbaochiganzaoweisheng,jingchangdasaofenbian,dianhaochaicaohuogantu。zaihanlengdafengtianqijinliangjianshaoniudeshiwaihuodong,ruyoubiyaoyeyingxuanzebeifengchaoyangdedifang。ruguoyoutiaojian,kecaiqushengluhuodengbiyaodequnuancuoshi。
凍傷的治療
奶牛淺表性凍傷時,不可立即采用靠火烘烤或在熱水中浸泡的方式取暖。可用白酒、辣椒塗擦凍傷處,或者使用硼酸酒精按摩皮膚。如凍傷發生在肢蹄,可取辣椒、茄稈、幹薑等加水燒開,水溫降至45℃時,把奶牛凍傷肢蹄放入水桶中浸泡,每次10分鍾以上,每天2次。對於凍傷部位的水皰,可用消毒針管抽幹皰液,用30%硼酸局部濕敷,幹燥後用10%硫磺魚石脂塗抹,每天1次。凍傷部腫脹時,可塗1%碘液、樟腦軟膏等。
奶牛深層性凍傷時,應盡快使受凍部位複溫。將傷肢浸泡在盛溫水的鐵桶中,在10分鍾內加熱到42℃zuoyou,shaotaigaoshoudongbu,yixiaotuishuizhong。dongshangshenshiyingshiyongkangjunsuyifangganran。dongshangyanzhongshikeyongpulukayinfengbi,cushihuaisizuzhizaorituoluo,chuangmianzaoriyuhe。
奶牛乳房輕微凍傷時可用0.1%的de利li凡fan諾nuo洗xi淨jing患huan部bu,然ran後hou塗tu上shang複fu方fang磺huang胺an軟ruan膏gao,加jia強qiang護hu理li。如ru果guo凍dong傷shang嚴yan重zhong,應ying使shi用yong抗kang菌jun療liao法fa,防fang止zhi壞huai死si引yin起qi感gan染ran,並bing按an凍dong傷shang程cheng度du積ji極ji對dui症zheng治zhi療liao。露lu天tian產chan下xia的de幼you牛niu或huo保bao溫wen不bu好hao的de牛niu舍she犢du牛niu易yi發fa生sheng凍dong僵jiang現xian象xiang。應ying迅xun速su將jiang其qi抬tai進jin暖nuan室shi內nei,盡jin快kuai用yong溫wen水shui擦ca洗xi,按an摩mo,以yi促cu進jin血xue液ye循xun環huan。冬dong天tian奶nai牛niu外wai出chu時shi,都dou應ying有you適shi當dang的de活huo動dong,以yi保bao溫wen活huo血xue,不bu可ke久jiu立li不bu動dong。給gei喂wei以yi全quan價jia平ping衡heng營ying養yang好hao的de配pei合he日ri糧liang,增zeng加jia10%的能量和5%油脂飼料,把牛喂飽,飲溫水,以增強抗寒能力。
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