Mae’r Parth Atal presennol, sy’n dod i ben ar 28 Chwefror, yn ei gwneud yn ofynnol i geidwaid dofednod ac adar dof eraill gadw eu hadar o dan do neu gymryd camau priodol i’w cadw ar wahân i adar gwyllt, ac i wella bioddiogelwch.
The current Prevention Zone, which expires on 28 February, requires all keepers of poultry and other captive birds in Wales to keep their birds indoors or take all appropriate steps to keep them separate from wild birds, and to enhance biosecurity.