Animals must be pre-movement tested and receive a negative result to leave the Bluetongue Restricted Zone and attend a show or market in Wales.
Rhaid i anifeiliaid gael eu profi cyn symud a chael canlyniad negyddol er mwyn cael gadael Parth dan Gyfyngiadau'r Tafod Glas a mynd i sioe neu farchnad yng Nghymru.