一、易發生鎂血症 早春天氣乍暖還寒,青草幼小,營養不全。牲畜開始放牧1~2星期後,常發生青草搐弱症。其主要原因是幼嫩的青草中含有微量元素鎂極少,含鉀、danyouxiangduijiaoduo,congerzhiyuelemeidezhengchangxishou,shishengchutineihanmeijianshao,zhishishengchufashengmeixuezheng,yejiaoqingcaochuruozheng。shengchuchangshouhanlengdengyingjiyinsudeyingxiangturanfabing,bingchuchuxianshenjingxingzhenchan,biaoxianyichangguomin,jingkongbuan,xingzoubuwen,yanzhongshishiyujianshao,quanshenchouchu,jiyipawo,sizhichangbuzijiaodehuadong,chengyouyongzhuang。youyumeidebuzu,youchukefashenggugegaihuabuzhengchang,daozhishengchangbuliang,fayushouzu。fabingshikeshouxingbieyingxiang,yibangongchuzhengzhuangjiaoqing,muchujiaozhong。jiachuzhongnainiu、奶羊泌乳期症狀較重,產奶量大減,經濟損失大。
二、易發生跑青 jingguodongji,henshaojianqingdeniuyangyidanchidaoqingcao,napashaoliangdeqingcao,yehuishiyudazeng,henkuaishiying,bingxingchengxindeguilvhekouwei,zongxiangchiqingcao,buyuanzaichikuweideyingjiegan,duijieganjushi,yichangfangan。caoyuanshangqingcaogangmengfahuolutoubujiu,changdeaixiao,niuyangkenshibudao,zongxiangwangyuanpao,zhaodaohaoqingcao。niu、羊總四處張望,但總也吃不上青草,體力消耗又大,跑青嚴重時會把牛羊跑瘦、跑垮。
三、易害脹肚病 早zao春chun的de霜shuang露lu草cao含han水shui分fen大da,特te別bie是shi早zao晚wan時shi,牛niu羊yang大da量liang吃chi下xia容rong易yi發fa酵jiao脹zhang肚du,且qie發fa病bing急ji,如ru牛niu羊yang不bu能neng得de到dao及ji時shi治zhi療liao,死si亡wang快kuai,經jing濟ji損sun失shi大da。防fang治zhi方fang法fa是shi不bu要yao早zao放fang牧mu,特te別bie早zao晨chen不bu出chu牧mu太tai早zao,可ke舍she飼si補bu些xie草cao料liao,待dai太tai陽yang出chu來lai再zai出chu牧mu,放fang太tai陽yang曬shai過guo的de熱re草cao,就jiu可ke有you效xiao的de預yu防fang牛niu羊yang的de脹zhang肚du病bing。對dui患huan畜chu投tou服fu止zhi酵jiao劑ji和he瀉xie劑ji,以yi排pai除chu積ji食shi和he氣qi體ti。嚴yan重zhong病bing例li急ji救jiu可ke用yong套tao管guan針zhen在zai瘤liu胃wei部bu位wei放fang氣qi,必bi要yao時shi不bu拔ba出chu套tao管guan,注zhu入ru製zhi酵jiao劑ji、芒硝等,效果較好。
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