Abstract
The seroprevalence of turkey rhinotracheitis virus (TRTV) in North Germany from 1980 to 1983 was estimated by testing a non-random sample of 499 turkey sera from 234 turkey flocks in the virus neutralization assay. The turkeys had been submitted to a diagnostic laboratory. Source of all data were the necropsy reports of the diagnostic investigations and the corresponding results of serological testing for TRTV antibodies. The clinical sign respiratory disease as well as the pathological findings conjunctivitis, rhinitis, sinusitis, air sacculitis and pneumonia were used in the analysis. The data analysis revealed highly significant associations between TRTV seropositivity and respiratory disease as well as rhinitis and sinusitis. The results of this sample with unknown selection bias show that TRTV was present in turkey flocks in North Germany at least since 1980 and that TRTV could have played an important role in the occurrence of respiratory disease.
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