A multiplex polymerase chain reaction (PCR) method coupled with a restriction analysis of PCR products (PCR with restriction fragment length polymorphism) was developed for the simultaneous detection of bovine herpesvirus 1, bovine herpesvirus 2, and bovine herpesvirus 4 infections. The specificity, sensitivity, and practical diagnostic applicability of this method were evaluated. This assay may be also adapted to the diagnosis of suid herpesvirus 1 and equine herpesviruses 1 and 3 and could become a powerful diagnostic tool.
An outbreak of reovirus infection with high mortality in two groups of recently imported psittacine birds is reported. The disease in the two species involved, African grey parrots (Psittacus erithacus erithacus) and Australian king parrots (Alisterus scapularis), had differences in clinical presentation and gross lesions. Reovirus particles were observed by electron microscopy and ultrastructural examination of tissues, and two viruses were isolated in cell culture, one from each bird species. Both isolates were studied by cross-neutralization with antisera against reference avian reoviruses isolated from chickens and parrots, and were found to have the greatest similarity to viruses isolated from a budgerigar and a southern screamer.
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