1、疫苗選擇:選(xuan)擇(ze)好(hao)的(de)疫(yi)苗(miao)是(shi)確(que)保(bao)超(chao)免(mian)成(cheng)功(gong)的(de)前(qian)提(ti)條(tiao)件(jian)。根(gen)據(ju)目(mu)前(qian)國(guo)內(nei)有(you)關(guan)豬(zhu)瘟(wen)疫(yi)苗(miao)的(de)使(shi)用(yong)情(qing)況(kuang),組(zu)織(zhi)苗(miao)效(xiao)果(guo)比(bi)細(xi)胞(bao)苗(miao)好(hao),其(qi)中(zhong)以(yi)豬(zhu)瘟(wen)脾(pi)淋(lin)苗(miao)效(xiao)果(guo)最(zui)好(hao)。
2、操作規範:yimiaodejiezhongfangshicaiyongerhougenjirouzhushe,zhusheyongjuyaojingguoyangedezhufeixiaodu,weibimianjiaochaganran,yitouzaizhuyongyigezhentou,dantongwozaizhukegongyongyigezhusheqi。weibaozhengyimiaodemianyixiaoguo,zhushebuweiyaozhunque,caozuoyaoshulian。weiquebaozhushejiliangdezhunquexing,zuihaoshiyonglianxuzhusheqi。lingwai,muzhuchanzaiqian2-3天和仔豬出生後3天內禁止使用抗病毒類藥物和抗生素,如需接種其他疫苗要間隔7天以上。
3、防止幹擾:youyumuyuankangtibunengtongguotaipanchuangeizaizhu,zaizhuzhiyoutongguochichurucainenghuodeduanzandemuyuankangtibaohu,yaohuodejiaochangjiudekangtishuiping,zhiyoutongguoruqianmianyicainengshixian。youyumuyuankangtiduizhudongmianyihuichanshengmingxiandeganraozuoyong,suoyizaizhuchichuruhoujiezhongyimiaomianyixiaoguohuishoudaohendayingxiang。weiquebaomianyixiaoguo,zaijinxingruqianmianyishiyidingyaozhenzhengzuodaozaizhubuchichuru,shixianwanquanderuqianmianyi。fouze,jiudabudaochaomiandexiaoguo。suoyibaozhengzaizhuzaichaomianqianbuchichuruyijiquedingzaizhuchichuruqiandemianyishijianfeichangguanjian。
4、確定時間:仔豬出生後,擦幹羊水,按照免疫劑量免疫後,將仔豬放入事先準備的保溫箱內,40-45分鍾後,放出仔豬吃初乳。吃初乳過早,受母源抗體幹擾,會影響疫苗的免疫效果,甚至達不到超免的效果;chichuruguowan,jiangduizaizhuchanshengbulideyingxiang。youyuzaizhuchushengshijianyouchayi,zaizhuzhusheyimiaohouyaojinxingbianhaodengji,congerdadaozaochanchu,zaozhumiao,zaochichuru。
5、同期分娩:母豬大多數都是在晚上分娩,這給乳前免疫的操作帶來一定的困難,因此建議在經產母豬預產期前2-3天的早上6-8點,每頭肌肉注射氯前列烯醇0.2毫克,調控母豬於白天分娩,將有利於對仔豬超免的操作,但母豬的預產期推算要準確。
6、具體操作:⑴密切注意母豬分娩情況,經常巡欄檢查有無母豬分娩,未破羊水的母豬巡查間隔時間不超過10分鍾,母豬破羊水後需隨時查看。⑵仔豬出生後立即用抹布擦幹體表,在耳後根肌注豬瘟脾淋苗1頭份,並在仔豬身上做好編號記錄,然後將仔豬放入事先準備的保溫箱內。登記該仔豬的免疫時間,並記錄吃初乳的時間。⑶仔豬出生後15分鍾以內,灌服適量糖水,以保持仔豬的活力和體力。
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