Mae Ysgrifennydd y Cabinet dros Ynni, Cynllunio a Materion Gwledig wedi cyflwyno Parth Atal Ffliw Adar Cymru Gyfan i leihau'r risg y gallai dofednod ac adar caeth eraill gael eu heintio
Cabinet Secretary for Energy, Planning and Rural Affairs Lesley Griffiths has taken action to mitigate the risk of infection by introducing an all Wales Avian Influenza Prevention Zone