Virological studies on avian influenza in damaita province

Avian influenza virus (AIV) is highly contagious disease, able to spread in susceptible population in a short period of time; therefore, the prompt identification of infected flock is crucial for control and eradication purposes.The present study was under taken to isolate and identify AIV from domesticated (chickens and ducks) and wild birds. A total of 240samples were collected from chickens and ducks and 412 samples from wild birds. Embryonated SPF eggs were used for virus isoThere was great variation between the tested samples that collected from chickens in different localities in Damietta province. The highest rate of AIV isolation was from 30(15tracheal and 15 cloacal swabs) out of 30 samples with a percentage of 100% from