CORDEREX is the PGI for lambs of Extremadura. The PGI are controlled geographical origin (Extremadura), genetic origin (breed merino), food (breast milk and authorized feed), live weight (21-29Kg) and slaughter age (100 days). They are certified based on the weight of the carcasses (9-16Kg), meat color, conformation, fattering and absence of defects . They are identified with a warranty seal in the shank and a seal along the entire carcass with the mention Corderex. These carcasses are known for their valued meat yield.