MEASURENENT OF ANTIBODIES TO INFECTIOUS BRONCHITIS VIRUS BY AGAR GEL PRECIPITATION TEST AND ENZYME-LINKED IMMUNOSORBENT ASSAY*

Document Type : Research article

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Abstract

Two serological tests, the agar gel precipitation (AGP) test and the enzyme-linked immunosorbent assay (ELISA), were used to measure antibodies against infectious bronchitis virus (IBV). A total of 259 pooled chicken sera (5 birds/sample) were examined by both tests. 212 (81.9%) sera were positive in ELISA, while only 33 (12.7%) sera had precipitating antibod ies and 47 (18.1%) sera were negative in both tests. It was demonstratd that, based on the higher sensitivity, the ELISA test is more suitable than AGP to measure IBV antibodies.
Assiut Veterinary Medical Journal
Volume 20.2, Issue 40
September 1988
Pages 173-178

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