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Studies on a recent IBD virus field variant isolate: (2) pathogenesis, pathogenicity and immunosuppressive potential of this virus in experimental infected chickens [electronic resource].

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Nassif, S. A

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Language: English Summary language: Arabic Description: p.9-18Other title:

دراسات عن عترة حقلية حديثة متحورة من فيروس الجمبورو: (2)دراسة القدرة الإمراضية ومدى التثبيط المناعى الذى تحدثه هذه العترة المتحورة فى الدجاج المعدى تجريبيا [Added title page title]

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Zagazig veterinary journal, 2005 v. 33 (3) [electronic resource].

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In: Zagazig Veterinary Journal 2005.v.33(3)Summary: In the present study, the pathogenicity of the Del/E related infectious bursal disease virus (IBDV) is studied in broiler chicks at 4 and 14 day old chicks, the inoculated chicks showed depression, off-food and diarrhea with whole body' pallor, higher mortality. poor feed conversion, low weight gain, stunted growth and passage of undigested food in their droppings. Five chickens from each group were sacrificed at the 3th, 7th, 14th, and 21st day post inoculation (P1) and the post mortum examinations revealed enlargement of the proventriculus as indicated by significant higher proventriculus/body weight ratio of the inoculated groups compared with the control chickens.

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In the present study, the pathogenicity of the Del/E related infectious bursal disease virus (IBDV) is studied in broiler chicks at 4 and 14 day old chicks, the inoculated chicks showed depression, off-food and diarrhea with whole body' pallor, higher mortality. poor feed conversion, low weight gain, stunted growth and passage of undigested food in their droppings. Five chickens from each group were sacrificed at the 3th, 7th, 14th, and 21st day post inoculation (P1) and the post mortum examinations revealed enlargement of the proventriculus as indicated by significant higher proventriculus/body weight ratio of the inoculated groups compared with the control chickens.

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