Abattoirs and processing facilities have to meet strict criteria before they can become PGI-accredited and all products are fully traceable.
Rhaid i’r lladd-dai a’r safleoedd prosesu fodloni’r amodau llymaf cyn cael eu cymeradwyo at ddiben y PGI, ac mae modd olrhain yr holl gynnyrch yn rhwydd.