Further information on the clinical signs of Bluetongue and action to be taken can be found at Bluetongue virus (Btv) | GOV.WALES.
Mae rhagor o wybodaeth am arwyddion clinigol y tafod glas a'r camau i'w cymryd ar gael ar Feirws y Tafod Glas (BTV) | LLYW.CYMRU).