Bydd gofyn cyfreithiol ar i bawb sy’n cadw dofednod ac adar caeth eraill gynnal hunan-asesiad o gyflwr bioddiogelwch eu safle, gan ddefnyddio ffurflen a ddarperir gan Lywodraeth Cymru.  Caiff ceidwaid ddewis un neu fwy o dri opsiwn: parhau i gadw eu hadar dan do, eu cadw nhw’n gwbl ar wahân i adar gwyllt neu rhoi rhyddid cyfyngedig i’w hadar allu mynd allan cyn belled ag y cedwir at fesurau ychwanegol i leihau’r risg.
All keepers of poultry and other captive birds will be legally required to complete a biosecurity self assessment of their premises, using a form provided by the Welsh Government. Keepers can select one or more from three options; continue to keep their birds housed, keep them totally separate from wild birds or allow their birds to have controlled access to outside areas, subject to the introduction of additional risk mitigation measures.