Staff Llywodraeth Cymru a oedd wedi cwblhau’n llwyddiannus gwrs gan yr Asiantaeth Ymchwil Bwyd a’r Amgylchedd a fu’n gyfrifol am yr holl waith brechu. Roedd y cwrs yn ymwneud â dal moch daear mewn cewyll a’u brechu drwy bigiad.
All the vaccination work was carried out by employees from the Welsh Government who had successfully completed the Food and Environment Research Agency (FERA) course relating to the cage trapping and vaccination of badgers by injection.