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    The infection of Riemerella anatipestifer (RA) is one of the most important disease in duck.
    鸭疫里氏杆菌(Riemerella anatipestifer,RA)感染是养鸭业重要疾病。
    Duck Swollen Head Septicemia was an acute contagious virus disease recently in vogue, and it had the characters of swollen head, systemic septicemia, high incidence of disease and high mortality rate.
    鸭肿头败血症(Duck Swollen Head Septicemia,DSHS)是近年流行的、以肿头、全身败血、高发病率、高死亡率为特征的一种鸭急性病毒性传染病。 该病给当地养鸭业带来极大的损失。
    The infection of Riemerella anatipestifer (RA) is one of the most important diseases in duck.
    鸭疫里氏杆菌(Riemerella anatipestifer,RA)感染是危害养鸭业的主要细菌性传染病。
    Duck production in the far cast and south pacific
    发展中的东南亚地区养鸭业
    THE RESEARCH OF POLLUTION RESOURCE BY BREEDING DUCKS IN HUANGPU UPPER
    黄浦江上游养鸭业污染源调查——鸭场污染研究材料之一
    An Analysis of Zhongcheng Duck Farm's Engine Effect
    “众诚鸭业”的带动效应
    Duck viral hepatitis (DHV) caned by duck hepatitis virus-I is highly mottal disease andspread rapidly in ducks, and has become onc of the most inpoilant diseases which freaten duckh2dwtzy recently.
    鸭病毒性肝炎(DVH)是由I型鸭肝炎病毒(DHV-I)引起的雏鸭高度致死性、传播迅速、严重危害养鸭业的重要传染病之一。
    Both morbidity and mortality were so high that it did harm to duck industry seriously.
    该病发病急、死亡率高,对养鸭业危害严重。
    In order to control the disease and promote the development of duck industry, isolation and identification and some characteristics were carried on, further more, an investigation of epidemiology and clinical pathology was also studied.
    为控制该病的发生,保护和促进养鸭业的发展,本研究对该病的病原进行了分离鉴定,并对其某些生物学特性、临床病理学变化进行了研究,同时对该病的流行病学作了深入的调查 。
    OBJECTIVEO: Recently,a new disease of Muscovry duck broke out and was prevalent in southemeast of china .
    目的:近年来,我国福建、江浙和广东等地发生并流行一种新的严重危害养鸭业的番鸭“花肝病”,造成了巨大的经济损失;
    A new type virosis in ducks with the characteristics of being acute, transmit rapidly and high mortality rate , has been observed in sichuan and other provinces since 1998.The disease could infect all days ducks and all kinds of breeds. Moreover its' morbidity and mortality reach over 80%, which aroused disastrous loss to local duckeries.
    近年来,四川等地出现了一种具有发病急、传播快、死亡率高等特点的一种新型鸭病毒性烈性传染病,各种年龄,各种品种鸭均易感,发病率和死亡率均可达80%以上,给当地养鸭业带来极大的损失。
    It is caused by DHVI and spreads everywhere in the world, it was first reported in our country in 1963. It is one of the main serious diseases in duck, it exist in many places of our country, especially on WEI FANG district.
    其病原主要是由I型DHV所引起,呈世界性分布,在我国首次报道于1963年。 本病在全国各地都有发生,是严重危害养鸭业的主要疾病之一。
    Its incident continues in high level with the rapid development of duck breeding.
    特别是在潍坊周围地区,随着养鸭业的迅猛发展,该病发病率一直居高不下。
    Based on the clinical statistic, both the occurring and death rate is over 65%, which brings great economic loss to duck breeding.
    据门诊统计,DVH的发生率和死亡率均在65%以上,给养鸭业造成了巨大的经济损失。
    In our country, DVH is one of the severe diseases threaten to duck industry.
    在我国,鸭病毒性肝炎是危害养鸭业最严重的疾病之一。
    Riemerella anatipestifer (RA) infection is a contagious disease of ducks. Ducklings of 1-7 wk of age are highly susceptible. It occurs as an acute or chronic septicemia characterized by fibrinous pericarditis, perihepatitis, and airsacculitis.
    鸭疫里默氏杆菌(Riemerella anatipestifer,RA)病是目前危害养鸭业最为严重的疾病之一,主要侵害1~7周龄雏鸭,呈急性或慢性败血症,其主要病理特征是纤维素性心包炎、肝周炎、气囊炎。
 

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