Extract from their About page

Achill Mountain Lamb is the exclusive product of Calveys Farm Abattoir & Butchers on Achill Island and refers specifically to Mayo Blackface Mountain Lambs born and reared in their Achill habitat, the sea misted heather hills and mountains of Achill Island and raised solely on a natural diet of herbs, heathers, grasses ,mosses and lichens, then traditionally butchered & bespoke-crafted in Calveys Abbatoir & Butchers, Keel, Achill, Co. Mayo.

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