Bluetongue is a notifiable disease and suspect cases must be reported immediately to the Animal and Plant Health Agency (APHA).
Mae'r Tafod Glas yn glefyd hysbysadwy, a rhaid i bobl roi gwybod i’r Asiantaeth Iechyd Anifeiliaid a Phlanhigion (APHA) ar unwaith os oes ganddyn nhw unrhyw amheuon.