Iberian pig category Feeding system Minimum duration of montanera (days) Minimum weight gain in montanera (kg) Minimum age prior to slaughter (months)
Bellota Acorns, grass, other natural resources 60 46 14
Recebo Acorns, grass, other natural resources, commercial feeds 60 29 14
Cebo de campo Commercial feeds (mainly) 60 12
Cebo Commercial feeds 10