Prati Stabili: What are they and why are they important for Grana Padano? What makes Latteria San Pietro's Grana Padano Selezione da Fieno such an extraordinary dairy product? The secret lies in the heart of the Alta Pianura Mantovana, in the lush Prati Stabili of the Minci... Italian cheese Lombardy PDO biodiversity cow grana padano welfare