A field strain of avian encephalomyelitis virus, neutralized by hyperimmune serum produced against the Van Roekel strain, was introduced per os into susceptible 1-day-old chicks. Clinical signs were ...
Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...
A VIRUS has been isolated from the brains of chickens which have died or been killed while suffering from a disease indistinguishable by clinical signs or histopathological lesions from infectious ...