怎么预防兔魏氏梭菌病呢?

2025年03月25日 21:17
有3个网友回答
网友(1):

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1.加强饲养管理。消除诱因,注意饲料合理搭配,多喂粗纤维含量高的饲料。适当减少高能量、高蛋白的饲料,以减轻家兔胃肠道的负担。更换饲料要逐步进行,防止突然增加高蛋白、高能量饲料。饲料要清洁卫生,严禁喂发霉变质的饲料,特别是劣质鱼粉;

2.严格兔场防疫制度,做好消毒管理。兔场应该自繁自养,严禁从疫区引进种兔。做好消毒和隔离工作。一旦发病,立即把病兔、可疑兔、健康兔隔离观察治疗,对病兔舍和周围环境用3%的火碱彻底消毒,对金属笼用火焰喷火灯彻底逐一消毒,水槽、料槽等用0.1%新洁尔灭浸泡、刷洗,用1∶800二氯异氰尿酸钠粉剂带兔喷洒消毒。病死兔高温处理,粪便和垫料定点烧毁或深埋;

3.定期预防接种。每兔颈部皮下注射魏氏梭菌灭活菌苗1毫升,兔疫期4~6个月:仔兔断奶前l周进行首次兔疫接种,可明显提高断奶仔兔成活率。发生疫情时,应用魏氏梭菌灭活菌苗进行紧急预防注射,或用金霉素22毫克拌料1干克喂兔,连喂5天,均有明显预防效果。

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网友(2):

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兔魏氏梭菌病又称魏氏梭菌性肠炎,是由魏氏梭菌毒素引起的一种中毒性传染病,其特征是急性腹泻,排出腥臭、带血、呈胶冻样或黑褐色粪便,给畜牧业带来损失,严重影响了养兔业的发展。各品种的兔均可感染,但长毛兔高于肉用兔,进口毛用兔及獭兔易感性高于杂交毛兔,以1~3月龄仔兔发病率最高。冬、春季节发病较多,此时青饲料减少,谷类饲料过多,从而引起肠道正常菌群平衡失调及厌氧状态,使魏氏梭菌得以大量繁殖,产生毒素引起本病的暴发,本病主要经消化道传播。本病的潜伏期为2~3天,最急性常见不到临诊症状而突然死亡。多数临诊症状为下痢,病兔精神沉郁、拒食,粪便初期灰褐色、稀软,很快便带血的水样或胶冻样稀粪,或者灰褐色水样粪便,并有腥臭气味,粪便污染臀部及后腿,抓住患兔摇晃躯体有泼水音,体温一般不高甚至偏低,多在出现水泻的当天或2~3天后死亡,发病率可达90%,病死率几乎100%。

搞好兔场的饲养管理和兽医防疫卫生工作,减少疫病诱发应激因素,防止饲喂过多谷物饲料和含蛋白质过多的饲料。有病史的兔场可用A型魏氏梭菌灭活疫苗免疫接种,成年兔2.0毫升,青年兔1.5毫升,间隔一星期后进行第二次免疫,免疫期可达六个月。断乳兔应立即接种疫苗。发病后迅速做好间隔和消毒,用0.1%苯扎溴铵喷洒兔舍及周围,然后用石灰粉铺垫兔舍地面,每天一次。本病发病急,病程短,出现腹泻时可尽早用抗血清治疗,每千克体重2~3毫升,疗效较好。未发病兔用金霉素拌料饲喂,每天两次,连用三天。兔群用A型魏氏梭菌氢氧化铝灭活疫苗紧急预防接种。

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网友(3):

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加强免疫,对于兔魏氏梭菌病的免疫可选择单联或与兔瘟、巴氏杆菌病的二联疫苗进行免疫,皮下注射1ml,未断奶的乳兔也可使用,但断奶后应再注射一次。免疫期为6个月,可起到很好的预防效果。一旦兔群中流行魏氏梭菌,应立即隔离,并紧急预防注射疫苗及对症治疗。在疫情的防制中,紧急预防接种的效果优于药物治疗。饲养管理,魏氏梭菌属条件性致病菌,平时广泛存在于土壤、污水、粪便、低质饲料(如劣质鱼粉)及家肠道内。正常情况下,细菌与动物体保持平衡状态,不引起发病;当卫生条件差,环境气候改变,饲养管理不良如饲料突然改变、搭配不当、粗纤维不足时,家兔肠道内环境发生改变,这种平衡被打破,魏氏梭菌大量繁殖,并产生毒素,使兔子中毒死亡。因此提高饲养管理水平,保持良好的环境条件是预防疾病的基础性工作。饲养管理者平时要加强卫生消毒和饲养管理,保持兔舍适宜的温度和湿度。

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