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Iranian Journal of Veterinary Research، جلد ۷، شماره ۳، صفحات ۸۰-۸۴
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عنوان انگلیسی Seroepidemiology of Newcastle disease in domestic village chickens of plain areas of Isfahan province, central Iran
چکیده انگلیسی مقاله Newcastle disease is one of the most important diseases of poultry. It usually causes a great loss inpoultry industry and domestic village chickens. Since domestic chickens in villages are free ranging for food,the chance of their contact with wild birds that may act as reservoirs is high. To determine the role ofdomestic chickens in the epizootiology of Newcastle disease virus in villages of Isfahan province, 400 serumsamples from chickens with no history of vaccination from four regions (Khomeinishahr, Zarinshahr,Falavarjan and Mobarekeh) were collected in summers of (1998) and (1999). Haemagglutination inhibition(HI) test was used for titration of antibodies against Newcastle disease virus. Chi-square and binomial testswere used for statistical analyses. 69.5 and 68.5% of the sera were positive in the two consecutive seasons(P>0.05). About 25% of 3–4 month- and 1–2-year-old chickens were negative for HI antibodies and thuswere sensitive to the disease in each season. Significant correlation was observed between the HI antibodytiters and the age of the chickens (Pindependent to the prevalence of the disease in industrial poultry flocks in each region and all regionsstudied. It was concluded that about 35% of the domestic village chickens are protected against virulentstrains of Newcastle disease in summer. For protection of the remaining chickens, routine vaccination,especially in spring and summer is suggested.
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نویسندگان مقاله m بوذری |
department of biology, faculty of sciences, university of isfahan, isfahan, iran
سازمان اصلی تایید شده: دانشگاه اصفهان (Isfahan university)

r موسوی morekani | mousavi morekani
isfahan veterinary network, isfahan, iran

نشانی اینترنتی http://ijvr.shirazu.ac.ir/article_2655_3f70f8d272cc8a7bc11fce16fdb6e71f.pdf
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