Protection of chickens with maternally derived antibodies after challenge with very virulent infectious bursal disease virus
2001
Velhner, M. (Scientific Veterinary Institute "Novi Sad", Novi Sad (Yugoslavia)) | Lazic, S. | Petrovic, T. | Mitevski, D. | Aleksic-Kovacevic, S.
The protective value of maternally derived antibodies in broiler breeders and broilers was tested after challenge with very virulent infectious bursal disease virus. Chickens were infected on the 14th and 10th day of age respectively. According to the pathohistological lesions in the bursa of Fabricius protection was poor, namely 21.4% in both experiments. The primary antibody response after challenge measured by vius neutralisation test (VN) was correlated with the extensive pathohistological lesions in the bursa of infected chickens.
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