O dan reoliadau y CE, cwmnïau busnesau bwyd sy’n gorfod derbyn y cyfrifoldeb llawn am les anifeiliaid a diogelwch bwyd mewn lladd-dai.  Mae’n rhaid iddynt fodloni gofynion deddfwriaethol o ran cynllun y lladd-dy a’r offer.  Mae’n rhaid i’r rhai sy’n lladd fod yn gymwys, wedi’u hyfforddi’n briodol ac wedi’u trwyddedu i ladd pob rhywogaeth sy’n cael eu cyflwyno iddynt.
Under EU regulations full responsibility for animal welfare and food safety in slaughterhouses rests with food business operators who must meet legislative requirements in terms of slaughterhouse design, layout and equipment.  Slaughterers must be competent and appropriately trained and licensed to slaughter all species presented to them.