口蹄疫疫苗免疫接种的不良反应及处理

为了避免和减少因注射口蹄疫疫苗引起的不良反应,保证在发生不良反应时得到及时处理,笔者根据多年的实践工作经验,谈点自己的体会,供广大兽医界同行参考.     

动物免疫不良反应预防

1 动物免疫后的反应进行免疫接种后,要注意观察被免动物的饮食、精神状况,并抽查检测体温,对出现异常的应予登记,对严重病例应及时进行救治。1．1正常反应指疫苗注射后出现的短时精神不好或食欲稍减的症状,此类反应一般不作处理,其多可自行消退。     

如何做好猪的疫苗免疫接种工作

在养猪生产实践中 ,疫苗免疫接种工作是一个重要的环节。无论是规模化猪场或是农村养殖户 ,免疫失败都将造成重大损失。因此必须重视以下几个问题。1　要制定科学合理、行之有效且符合当地疫病情况的免疫程序一个猪场或一个地区制定的免疫程序不是千篇一律的。制定免疫程序的依     

用水肿病疫苗预防仔猪水肿病的试验报告

仔猪水肿病是基层兽医工作者感到头疼的一个病。近年来国内治疗此病的方法较多，但预防此病的方法报道极少。该病在我市呈上升趋势，其发病后的病死率在17.4％（10．9％～23．7％），波及全市92．6％的行政村（163／176），严重制约着苗猪生产，影响养母猪户的经济效益。为寻找一种简便、易行、有效的预防方法，笔者用江苏农学院畜牧兽医系研制生产的水肿病疫苗作了试验，疗效很好，现报告如下。1试验材料和方法水肿病疫苗（水剂）：由江苏农学院畜牧兽医系研制和提供。试验对象：本市14～18日龄苗猪，设对照组与试验组。对照组不注射疫苗，…     

猪注射用疫苗的用法及注意事项

在养猪生产中,每年春秋两季都需要给猪打预防针,以预防猪瘟、猪丹毒、猪肺疫及副伤寒等疾病的发生.观将生产中几种常用疫苗的用法及注意问题介绍如下:     

注射猪瘟疫苗引起过敏反应的救治和预防

随着猪疫苗种类和免疫次数的急剧增加，以及猪品种和应激因素等变化．近些年因注射疫苗而发生的过敏反应明显增多．而其中最引人注目的是过敏性休克，常因猝死而造成较大损失。猪注射疫苗的过敏反应率一般为1％～2％．但不同种类和批次的疫苗，不同猪群或窝次，其发生率差别可能很大，如过敏性反应属休克型．其致死率可达30％～70％。不同种类的疫苗(含菌苗)，如全病原体苗、基因缺失苗、基因工程苗、组织苗、细胞苗或油乳剂、铝胶剂等     

免疫接种引起不良反应及预防措施

在生产实践中,进行了合理的免疫接种,畜禽却在接种后仍然出现不良反应,从而使正常免疫反应受到抑制。现就畜禽接种疫苗引起不良反应的原因、危害及预防措施阐述如下,仅供参考。     

猪细小病毒疫苗的效力试验

本次研究旨在调查和比较3种不同疫苗所提供的避免胎儿死亡的保护力,其中两种疫苗采用3个不同的剂量接种,以期能够获得不同的保护水平,以半数保护剂量(PD_(50))表示,由此获得的数据可以对其它疫苗作出评价。同时,对在已建立的细胞系上增殖病毒,以制备猪细小病毒疫苗的可行性进行了     

猪疫苗免疫参考程序

1免疫参考程序对猪进行疫苗免疫接种要制定一个少而精、适2使用说明(1)不同地区、不同季节和不同场、群发病情况有区别,本免疫程序表可作参考。(2)有些疫苗有活疫苗和灭活疫苗两种,而且同一种疫苗品牌很多,使用时还应参看各自的说明书。(3)疫苗免疫种类应掌握“少而精”和有针对性的原则,疫苗质量要可靠,使用技术应正确,免疫效果才有保证。(4)用猪瘟细胞苗时一剂量为5头份(不低于750个兔体感染量),组织苗为1～2头份,其它疫苗用量根据说明书。(5)口蹄疫、伪狂犬病、传染性胃肠炎及流行性腹泻在流行严重时可造成新生仔猪整窝死亡,对妊娠后期母…     

猪接种疫苗引起不良反应的原因及预防方法

1 原因分析 变态反应在疫苗不良反应中所占的比例最大,如将猪瘟兔化弱毒细胞苗、乙脑疫苗、仔猪副伤寒疫苗给猪注射后常发生变态反应,严重者出现死亡. 注射疫苗时不按操作规程而采取粗暴式注射,引发动物的应激反应,严重的造成动物死亡. 注射疫苗前未按规程对注射器械进行消毒或消毒不彻底,结果被污染的注射器械引起注射猪感染发病甚至死亡.例如,某地在注射猪瘟疫苗时,由于将用过的注射器及针头未严格消毒就用于稀释猪瘟疫苗,造成疫苗污染,致使预防注射猪因感染梭状芽胞杆菌而大批发病和死亡.     

Adverse reaction to procaine penicillin G in horses

Adverse reactions to intramuscular injections of procaine penicillin G are reported in 11 horses, five of which died. The clinical findings are presented and suggest central nervous involvement in most cases. Post mortem findings in one horse were consistent with anaphylaxis whereas in other cases the clinical findings, duration of treatment, speed of onset and subsequent completion of treatment supports diagnosis of an acute procaine toxicity syndrome.     

Comparison of vaccination and ivermectin treatment in the prevention of bovine lungworm

Three groups of calves were put out to graze on separate paddocks within a field known to be infected with Dictyocaulus viviparus and were also given a small initial trickle infection of the parasite. The first group were untreated controls, the second were immunised with live irradiated lungworm vaccine and the third were injected three times with ivermectin; the injections taking place after they had grazed for three, eight and 13 weeks. The subsequent infections of D viviparus were estimated by grazing a series of parasite-free tracer calves in the paddocks used by each group. The first group of such calves grazed from July 17 until August 7, the second from August 22 to September 29. During the first half of the grazing season all the untreated and three of the six immunised calves were observed to excrete D viviparus larvae, in contrast to none of the ivermectin-treated group. As a result all the tracer calves on the areas occupied by the untreated and immunised calves became infected with the parasite whereas only one worm was found in one of the 10 tracer calves grazing the area occupied by the ivermectin-treated calves.     

Avian influenza virus: prospects for prevention and control by vaccination

Although vaccination does not always prevent infection of avian influenza (AI) virus, the clear benefit of vaccination is in its ability to prevent disease and to reduce the amount of virus in circulation. Thus, judicious use of vaccination can be an important component of an AI control program. However, the long-term use of vaccination without eradication may result in the selection of the antigenically divergent strains, which compromises the value of vaccination. In this review, the effectiveness of currently available and future AI vaccines is discussed with suggestions for the ideal use of vaccination even with antigenic drift of the virus.