Otherwise, the keeper would not be able to move their cattle to multiple shows within the show season because the animals must remain on the holding until completion of a clear PoMT.
Fel arall, ni fyddai'r ceidwad yn cael mynd â’i wartheg i nifer o sioeau yn y tymor sioeau, gan fod rhaid i anifeiliaid aros ar y daliad nes cael canlyniad clir i brawf ar ôl symud.