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小鹅瘟又称鹅细小病毒病、雏鹅病毒性肠炎,是由小鹅瘟病毒引起的雏鹅和雏番鸭的一种急性或亚急性败血性传染病,主要侵害3～20日龄小鹅,以传染快、高发病率、高死亡率、严重下痢以及渗出性肠炎为特征,是严重危害养鹅业的重要传染病。近年来,随着贵州省种草养鹅项目的逐步加快,鹅苗及产品的频繁运输,疫病相互感染几率增加,再加上饲养管理重视程度不够,很容易造成疫病的流行。2008年,某养殖场5日龄的小鹅发生疫病,通过临床症状、剖检病变和实验室检验,诊断为小鹅瘟继发大肠杆菌病。现将诊断情况报道如下。 相似文献
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近几年来,随着佳木斯市养鹅业的大发展,鹅的发病和死亡也呈不断上升趋势,特别是雏鹅的死亡率更高,为了摸清其流行情况及制订好防治对策,我们对全市23个鹅群进行了流行病学、病理剖检及化验室检测调查,确诊小鹅瘟是危害养鹅业发展的主要疫病。1病例调查1.1发病状况调查23个鹅群,共有25354只雏鹅(3～20日龄),发病20195只,发病率79.7%,死亡鹅17240只,死亡率68%。在23个鹅群中,未免疫的有13个鹅群,占56.5%,共有12120只,发病9648只,发病率79.6%,死亡7506只,死亡率77.8%;1～3日龄内用小鹅瘟疫苗免疫的有5群,占21.7%,共有鹅6518只,发病2997只,发病… 相似文献
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12日龄雏鹅新型病毒性肠炎和小鹅瘟混合感染的诊疗 总被引：2，自引：0，他引：2
小鹅瘟是由鹅细小病毒引起的雏鹅急性或亚急性的败血性传染病 ,本病主要侵害出壳后 4～ 2 0日龄的雏鹅 ,具有传播快、发病率和致死率高的特点 ,死亡率可达 90 %～ 10 0 %。雏鹅新型病毒性肠炎病原为鹅腺病毒 ,主要发生于 3～ 30日龄雏鹅 ,10～ 18日龄多发 ,死亡率为 2 5 %～ 75 % ,最高可达 10 0 % ;典型症状为昏睡、腹泻、喙端色暗 ;可分为最急性、急性、慢性 3种病型。 2 0 0 2年 6月中旬 ,黑龙江省肇东市的 3家农户饲养的 12日龄雏鹅群陆续发病死亡 ,经过肇东市昌五镇畜牧综合服务站和黑龙江省兽医卫生防疫站检验 ,确诊为雏鹅新型病毒性… 相似文献
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雏鹅新型病毒性肠炎病毒(NGVEV)是继发现小鹅瘟(GPV)和鸭瘟病毒(DPV)能够引起雏鹅感染发病后,于1993年由四川农业大学程安春在四川省内首次发现且于1998年首次报道的新型病毒,是一种能引起30日龄以内的雏鹅感染发病的病毒,在流行病学、临床症状(综合病例)和病理变化(后期死亡雏鹅病变及其组织学变化)与小鹅瘟极相似的传染病,因而在实际生产中常常将其误诊为小鹅瘟.但其种鹅在开产前注射1次小鹅瘟疫苗,其下一代于3日龄开始仍然发病和死亡,用小鹅瘟高免血清治疗无效,其死亡率一般为25%～75%,严重的地区可达100%. 相似文献
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小鹅瘟(GP)是由小鹅瘟病毒(GPV)引起雏鹅的一种急性败血性传染病。多发生于3～25日龄雏鹅,成年鹅感染本病无症状,但病原可经卵传给下一代,导致孵化雏鹅感染。本病在雏鹅中传播快,发病率和死亡率均可达90％以上,不同品种、性别的雏鹅均易感,对养鹅业造成严重的威胁。目前,我国养鹅地区均有小鹅瘟的流行。 小鹅瘟在自然传染情况下只感染鹅,据其流行病原特征,临诊症状和剖检病变一般不难作出诊断,但确诊需借助实验室检查。 相似文献
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Beran GW 《Preventive veterinary medicine》2008,86(3-4):198-207
When early people made their appearance, zoonotic infectious diseases were already waiting, but epidemic diseases did not appear in human history until people began to live in large numbers under conditions of close contact, mainly during the last 10,000 years. Disease has decimated urban populations, conquered armies, and disrupted society. The focus here is on (1) the plague of Athens and the Black Death; (2) smallpox, influenza, and rabies; (3) avian influenza prion diseases, and foot & mouth disease; and (4) emerging and re-emerging diseases. All have veterinary public health associations. In Athens, Greece, in 430 BC, when the Spartans ravaged the countryside, hordes crowded into Athens so that orderly movements, space in which to live, and adequate supplies of food became impossible. Crowding of any population fosters disease transmission; chaos and disorder enhance it all the more. Out of northern Egypt came a terrible plague from across the Mediterranean Sea. The identity of the plague of Athens remains unsure, but the well-considered conclusion is Rift Valley Fever, a mosquito borne, viral zoonosis. The Black Death, also called the Plague, raged in Asia for centuries. In 1347, the Black Death was brought by a ship out of Asia to Sicily. The scenes of devastation were repeated throughout Europe, with 90% or more of the people dying in city after city. Influenza, too, has been a cause of periodic human epidemics, but the great pandemic of influenza occurred in the last months of World War I. In the years of highest occurrence, more than half the world's population became clinically infected. If veterinary public health had been born earlier, it could have led to elucidating the epidemiology of influenza and the plagues of Athens, Europe, and Asia. In turn, smallpox had also caused continual tragedy. In 1796, Edward Jenner began to harvest pustules of cowpox from children or infected cows and inject them into susceptible children. In 1980, the World Health Organization declared that smallpox had been eliminated from the world. Rabies, though, still strikes terror. A number of animal diseases, broadly termed emerging and re-emerging diseases, need surveillance because they have the potential to impact human health. From late in 2003 to 2007, the highly pathogenic H5N1 influenza virus in poultry infected at least 121 people and caused 62 deaths in four countries. The prion diseases, too, all have very high numbers in concentrated contacts. To control these diseases, veterinary public health is essential, with diagnosis, epidemiological surveillance, clinical manifestations, and prevention as primary measures. 相似文献
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Dekker A Dercksen D Snoep J van Wuyjckhuise L 《Tijdschrift voor diergeneeskunde》2007,132(18):695-701
On 26th of july 2007 a new case of bluetongue was notified in the Netherlands and on 2nd of august 2007 foot-and-mouth disease was diagnosed in Surrey, England, which raised the threat of having both infections simultaniously in one area. Bluetongue and foot-and-mouth disease have a different pathogenesis, but symptoms may resemble each other at a later stage of infection. The pathogenesis and possible clinical symptoms of both infections are discussed and illustrated with pictures. 相似文献
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在动物的异常行为中以刻板行为最为常见,而咽气癖又是马最常见的口部刻板行为之一。作者就咽气癖在生理方面和心智方面对马体产生的影响、行为基础、诱因的研究进展及常见的防治措施进行综述。 相似文献
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