From 31 December 2022, animals of 42 days and older moving to a TB Isolation Unit need to have had a clear TB test within 60 days of the move.
O 31 Rhagfyr 2022 ymlaen, mae angen i anifeiliaid 42 diwrnod a hŷn sy'n symud i Uned Ynysu TB fod wedi cael prawf TB clir o fewn 60 diwrnod i'r symudiad.