營ying養yang性xing疾ji病bing營ying養yang性xing疾ji病bing一yi般ban是shi指zhi家jia禽qin由you於yu體ti內nei缺que乏fa某mou種zhong營ying養yang物wu質zhi,無wu法fa維wei持chi正zheng常chang的de生sheng理li及ji生sheng產chan需xu要yao而er導dao致zhi的de疾ji病bing。經jing常chang發fa生sheng的de營ying養yang缺que乏fa症zheng有you蛋dan白bai質zhi缺que乏fa症zheng、維生素缺乏症和無機鹽缺乏症。
linchuangzhengzhuangweiqingshou,shengchanghuanman,tanhuan,yanji,xiali,maosewuguang,zhuopiheyishideng,haikeyoufaqitachuanranbing,duijiaqinweihaihenda。qifabingyuanyinduozhongduoyang,chuquyusiliaozhiliangyouzhijieguanxiwai,haiyuhuanjing、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。
為(wei)了(le)減(jian)少(shao)夏(xia)季(ji)營(ying)養(yang)性(xing)缺(que)乏(fa)症(zheng)疾(ji)病(bing)的(de)發(fa)生(sheng),應(ying)根(gen)據(ju)發(fa)病(bing)的(de)原(yuan)因(yin),采(cai)取(qu)相(xiang)應(ying)的(de)措(cuo)施(shi)。在(zai)夏(xia)季(ji)首(shou)先(xian)做(zuo)好(hao)防(fang)暑(shu)降(jiang)溫(wen)工(gong)作(zuo),如(ru)加(jia)強(qiang)換(huan)氣(qi),噴(pen)灑(sa)涼(liang)水(shui),遮(zhe)擋(dang)光(guang)線(xian)等(deng),以(yi)求(qiu)最(zui)大(da)限(xian)度(du)地(di)降(jiang)低(di)熱(re)應(ying)激(ji)的(de)影(ying)響(xiang),達(da)到(dao)減(jian)少(shao)飲(yin)水(shui)量(liang),增(zeng)加(jia)采(cai)食(shi)量(liang),減(jian)少(shao)體(ti)內(nei)養(yang)分(fen)損(sun)失(shi),保(bao)證(zheng)機(ji)體(ti)正(zheng)常(chang)代(dai)謝(xie)的(de)目(mu)的(de)。其(qi)次(ci)要(yao)注(zhu)意(yi)飼(si)料(liao)的(de)存(cun)放(fang)時(shi)間(jian)和(he)條(tiao)件(jian),最(zui)好(hao)使(shi)用(yong)新(xin)鮮(xian)飼(si)料(liao),夏(xia)季(ji)應(ying)選(xuan)擇(ze)通(tong)風(feng)、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。
警jing惕ti黃huang曲qu黴mei素su中zhong毒du黃huang曲qu黴mei素su在zai溫wen暖nuan潮chao濕shi條tiao件jian下xia,很hen容rong易yi在zai穀gu物wu中zhong生sheng長chang繁fan殖zhi並bing產chan生sheng毒du素su。飼si喂wei發fa黴mei的de飼si料liao,常chang常chang引yin起qi黃huang曲qu黴mei素su中zhong毒du。黃huang曲qu黴mei菌jun能neng產chan生sheng毒du素su現xian已yi知zhi的de有you8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:buweifameibianzhidesiliao,qicihaiyaozhuyisiliaodechucun,yixieyangjihubuzhuyisiliaodechucun,luanduiluanfang。buzhuyifangchaotongfengfangshudeng,tebiezaixiajizuiyimeibian。haiyoudewujihuacaigousiliao,zaochengsiliaojiya,chaoguobaozhiqi,budanshisiliaozhongdeyingyangleitianjiajisunshidaijin,erqieyiyinqimeijundusuzhongdu。yidanfashengzhongdu,lijigenghuansiliao,bingzaisiliaohuoyinshuizhongjiaruxialiejizhongyaowu:白芍粉0.5%、維生素C0.05%、葡萄糖1%、活性碳1%。
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