Further advice for keepers of poultry and captive birds on how to keep their flocks safe is also available on the Welsh Government’s website, including the biosecurity self-assessment checklist.
Mae rhagor o gyngor i geidwaid dofednod ac adar caeth ar sut i gadw eu heidiau'n ddiogel ar gael ar wefan Llywodraeth Cymru, gan gynnwys y rhestr wirio hunanasesu bioddiogelwch.