الفهرس 
Disease DescriptionOnly 14 pages are availabe for public view
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Abstract
Avian Influenza is a contagious viral infection can that affect all species of birds. Freeliving birds may carry influenza viruses without becoming ill due to natural resistance.
The present study was conducted to determine the risk assessment of Avian Influenza in poultry farms in Alexandria Governorate. The study aimed to carry out an environmental assessment of poultry farms with especial emphasis to Avian influenza, an association between environmental risks and previous attack with Avian influenza and to set appropriate and adaptable recommendations for prevention and control of highly pathogenic Avian Influenza in commercial poultry farms.
The following was adopted to fulfill this aim:
1- Description of the safe and hygienic practices used in poultry farms in Alexandria and Behera.
A questionnaire was used to collect information from the farms under study, (Appendix No.1). It covered the following parameters:
1.1 Farm or house identification.
1.2 Sanitation procedures and practices.
1.3 Water sources.
1.4 Feed storage.
1.5 Hygienic facilities.
1.6 Flock health management.
1.7 Marketing and transportation.
1.8 Infrequent presence of wild birds in the surrounding.
1.9 Farms that had previous attacks with Avian Influenza.
According to the total score of the farms they were classified into
• High risk farms: Total score percentage less than or equal 50%.
• Moderate risk farms: Total score percentage ranging from 51 to 74 %.
• Low risk farms: Total score percentage more than or equal to 75%. (53)