Prevalence of precipitating antibodies to avian adenoviruses in diagnostic serums

Summary

The prevalence of precipitating antibodies to avian adenoviruses in 1431 diagnostic serums originating from poultry farms in the northern half of the North Island was 34.7%. Precipitating antibodies were first detected in birds 8 weeks of age and the prevalence increased steadily with age until the birds were 12 months old. The majority of poultry farms (74%)had serological evidence of the presence of AAV.