Bognar also reminded poultry keepers to report any symptom of the disease.
The housing order aims to reduce the possibility of farmed poultry coming into contact with wild birds. If the poultry cannot be fully housed, the veterinary authority said the area must be adequately covered.
Hungary and other European countries have suffered large number of outbreaks of the H5N8 disease strain. The government has already paid approximately HUF 1.16 billion as compensation to 45 farmers affected by the outbreaks.
Several countries already have outdoor poultry bans in place, including Germany and the United Kingdom.