Ers cyflwyno'r polisi o wella mesurau ar gyfer buchesi a gaiff eu heintio'n gyson / a gaiff heintiau cronig, sawl perchennog buchesi unigol sydd wedi gwrthod y gwahoddiad i gymryd rhan ym mholisi 'magl a phrofi' Llywodraeth Cymru?
Wedi'i ateb gan Gweinidog yr Amgylchedd, Ynni a Materion Gwledig | Wedi'i ateb ar 19/02/2019
Collating this data will take some time and requires bespoke reports from the Animal and Plant Health Agency (APHA) who hold this information, I will write to you separately on these matters when I have the details.