The two most serious diseases that must be kept out of poultry flocks are Newcastle disease and avian influenza. Although these two devastating diseases are not present in commercial poultry in Australia, the poultry industry is at risk from their introduction. The compulsory vaccination program against Newcastle disease (ND) has helped protect the industry against both endemic and exotic ND.

Occasionally diseases occur in Australian poultry flocks. Some are controlled by vaccination or medication strategies. Others are controlled by keeping them out of farms. The contents of this Primefact include the following:

• Diseases of poultry
• How to keep diseases out
• How to stop diseases spreading