A gynhaliwyd unrhyw dreialon maes gan yr Asiantaeth Iechyd Anifeiliaid a Phlanhigion yng Nghymru mewn perthynas â'r brechlyn CattleBCG ac, os felly, a fydd unrhyw dreialon maes ail gam yn cael eu cynnal?
Wedi'i ateb gan Y Gweinidog Materion Gwledig a Gogledd Cymru, a’r Trefnydd | Wedi'i ateb ar 14/02/2023
Unfortunately, no farms in Wales have taken part in Phase 1 of the cattle vaccine trials.
We publicised this in Wales but were not successful in recruiting any Welsh farms. To date, none have signed up for phase 2.