This includes continuing to complete the mandatory biosecurity self-assessment checklist to help keepers identify what is needed to protect their birds.
Mae hynny’n cynnwys parhau i hunan-asesu drwy gwblhau'r rhestr gwirio bioddiogelwch orfodol er mwyn helpu ceidwaid i nodi’r hyn mae angen iddyn nhw ei wneud i ddiogelu’u hadar.