The IAA covers 288km² and this is the first time that a project to cage trap and vaccinate badgers on such an ambitious scale has been carried out.
Mae’r Ardal Triniaeth Ddwys yn cwmpasu ardal o 288km2 a dyma’r tro cyntaf i brosiect fynd ati i ddal moch daear mewn cewyll a’u brechu ar raddfa mor uchelgeisiol.