Abstract
The objective of the present study was to find out the presence of concurrent viral infections associated with fowl adenovirus confirmed flock of commercial broiler birds. The liver samples were collected from 27 nos of FAdV confirmed commercial broiler farms. All the fowl adenovirus positive DNA was used to screen the Marek's disease virus (MDV), Avian leucosis virus (ALV), Reticular endothelial virus (REV) and Chicken infectious anaemia virus (CIAV). Out of 27 FAdV positive flocks, no flocks were positive for MDV and REV whereas 21 flocks (77%) were positive for ALV by PCR and 16 flocks (59%) were positive for CIAV by PCR. Though FAdV is a primary causative factor for IBH and HPS, the immunosuppression induced by ALV and CIAV plays a major role for aggravating the FAdV infection in broiler chicken. Further studies needed to elucidate the interaction of these viruses and their impact on the poultry health.
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