Before completion of the first post breakdown Short Interval Test (SIT), following the suspension or withdrawal of your Officially TB Free status, the risk is unknown.
Cyn cwblhau’r Prawf Cyfnod Byr cyntaf ar ôl darganfod yr achos ac atal neu ddiddymu’r statws Heb TB Swyddogol, nid yw’r risg yn hysbys.