yingyangxingjibingyingyangxingjibingyibanshizhijiaqinyouyutineiquefamouzhongyingyangwuzhi,wufaweichizhengchangdeshenglijishengchanxuyaoerdaozhidejibing。jingchangfashengdeyingyangquefazhengyoudanbaizhiquefazheng、維生素缺乏症和無機鹽缺乏症。
臨lin床chuang症zheng狀zhuang為wei清qing瘦shou,生sheng長chang緩huan慢man,癱tan瘓huan,眼yan疾ji,下xia痢li,毛mao色se無wu光guang,啄zhuo癖pi和he異yi嗜shi等deng,還hai可ke誘you發fa其qi它ta傳chuan染ran病bing,對dui家jia禽qin危wei害hai很hen大da。其qi發fa病bing原yuan因yin多duo種zhong多duo樣yang,除chu去qu與yu飼si料liao質zhi量liang有you直zhi接jie關guan係xi外wai,還hai與yu環huan境jing、應激和采食量代謝有著密切的關係,而夏季的發病率遠高於其它季節。
weilejianshaoxiajiyingyangxingquefazhengjibingdefasheng,yinggenjufabingdeyuanyin,caiquxiangyingdecuoshi。zaixiajishouxianzuohaofangshujiangwengongzuo,rujiaqianghuanqi,pensaliangshui,zhedangguangxiandeng,yiqiuzuidaxiandudijiangdireyingjideyingxiang,dadaojianshaoyinshuiliang,zengjiacaishiliang,jianshaotineiyangfensunshi,baozhengjitizhengchangdaixiedemude。qiciyaozhuyisiliaodecunfangshijianhetiaojian,zuihaoshiyongxinxiansiliao,xiajiyingxuanzetongfeng、幹燥、陰涼的地方儲存,時間不應超過15天,否則在使用時應補充營養物質(如維生素、蛋白質飼料等),以防營養物質的不足。
jingtihuangqumeisuzhongduhuangqumeisuzaiwennuanchaoshitiaojianxia,henrongyizaiguwuzhongshengchangfanzhibingchanshengdusu。siweifameidesiliao,changchangyinqihuangqumeisuzhongdu。huangqumeijunnengchanshengdusuxianyizhideyou8種,其中以B1dusudedulizuiqiang,duirenchujijiaqinjunyoujuliededuxing,zhuyaoshisunhaidongwudeganzangbingyouzhiaizuoyong。zaijiaqinzhongyichujideminganxingzuigao,zhongduhoukezaochengdapisiwang。
主要臨床症狀為廢食,下痢,皮膚蒼白或黃疸,生產力下降,最後衰竭死亡。死後剖檢,主要病變為:肝髒腫大、硬化、脆弱、黃疸、斑點出血或灰白色斑點狀壞死灶,腹水;心肝有出血,心包積液;胰髒萎縮(由均勻變成凸凹不平或網狀);腎腫大,腸黏膜出血。
防治主要措施是:不bu喂wei發fa黴mei變bian質zhi的de飼si料liao,其qi次ci還hai要yao注zhu意yi飼si料liao的de儲chu存cun,一yi些xie養yang雞ji戶hu不bu注zhu意yi飼si料liao的de儲chu存cun,亂luan堆dui亂luan放fang。不bu注zhu意yi防fang潮chao通tong風feng防fang鼠shu等deng,特te別bie在zai夏xia季ji最zui易yi黴mei變bian。還hai有you的de無wu計ji劃hua采cai購gou飼si料liao,造zao成cheng飼si料liao積ji壓ya,超chao過guo保bao質zhi期qi,不bu但dan使shi飼si料liao中zhong的de營ying養yang類lei添tian加jia劑ji損sun失shi殆dai盡jin,而er且qie易yi引yin起qi黴mei菌jun毒du素su中zhong毒du。一yi旦dan發fa生sheng中zhong毒du,立li即ji更geng換huan飼si料liao,並bing在zai飼si料liao或huo飲yin水shui中zhong加jia入ru下xia列lie幾ji種zhong藥yao物wu:白芍粉0.5%、維生素C0.05%、葡萄糖1%、活性碳1%。
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