Powys County Council said that a 3 kilometre security zone has actually been stated around the contaminated properties, at Bettws, near Newtown, to restrict the danger of illness spread.
Within the zone, bird motions and events are limited and all holdings that keep birds should be stated.
Bird owners within the 3 kilometre Protection Zone and the larger 10km Surveillance Zone (SZ) are needed to abide by a variety of steps set out by federal government.
Bird owners beyond the PZ and SZ are likewise being advised that in spite of the lifting of the necessary housing steps for poultry and captive birds from April 18, that the Avian Influenza Prevention Zone (AIPZ) will stay in force throughout Wales till additional notification.
It indicates all bird keepers in Wales – whether they have pet birds, an industrial or a yard flock – must, till additional notification, continue to follow necessary biosecurity steps, and finish an obligatory biosecurity self-assessment list.
Councillor Richard Church, Powys County Council’s Cabinet Member for a Safer Powys, said: “It is essential keepers of birds have the extremely greatest levels of biosecurity in location, so that we can stop this extremely transmittable illness from infecting more flocks.
“It is likewise essential individuals do not touch or get any ill or dead birds to prevent spreading out the infection.
“Public health recommendations stays that the danger to human health from the infection is extremely low and food requirements bodies encourage that bird influenzas present a really low food safety danger for UK customers.”