Sheep milk cheese include Pag cheese and Ovidur. Polish sheep milk cheeses include oscypek and bryndza. Portuguese sheep milk cheeses include Castelo Branco, Azeitão, Rabaçal, Saloio, Serpa and Serra. In Spain is Roncal, made in the Roncal Valley, and is protected by the Protected designation of origin (PDO). Other cheeses from Spain are Torta del Casar and Manchego. Sheep milk cheese Sheep milk cheese is a cheese prepared from sheep milk. Well-known cheeses made from sheep milk include the Feta of Greece, Roquefort of France, Manchego from Spain, the Pecorino Romano and Ricotta of Italy. Yogurts, especially some forms of strained yogurt, may
Flor de Guía cheese Origin. The curdling medium may be vegetable or animal depending on the type of cheese being made. Salt is added to the milk but not exceeding per 100 litres (galls) of milk. For Flor cheese, the vegetable rennet (liquid extract of the cardoon) is added when the milk has been heated to between 28 °C and 35 °C and maintained for 60 to 90 minutes. For Half-Flor cheese the curdling agent must be 50% cardoon juice and 50% another vegetable or authorized rennet. It is heated to 28–38 °C and maintained for a maximum of 1 hour. For Guia cheese