Beca Glyn, who farms at Ysbyty Ifan where her family run a flock of 1,000 sheep and herd of beef cattle, said:
Dywedodd Beca Glyn, sy'n ffermio yn Ysbyty Ifan lle mae ei theulu'n gyfrifol am ddiadell o 1,000 o ddefaid a buches o wartheg cig eidion: