Castelo Branco (Queijo de Castelo Branco) is a cheese from the Castelo Branco region of Portugal. Cheese is a Food made from Milk, usually the milk of cows, Buffalo, Goats or sheep, by coagulation. ---- Castelo Branco (kɐʃˈtɛlu ˈbɾɐ̃ku is a city and a municipality, seat of the district of Castelo Branco, in Centro region, Portugal Portugal, officially the Portuguese Republic (República Portuguesa is a country on the Iberian Peninsula. The cheese is made from milk produced by either a goat or a ewe, and has a soft texture. Milk is an opaque white liquid produced by the Mammary glands of female Mammals (including Monotremes. The domestic goat ( Capra aegagrus hircus) is a subspecies of goat Domesticated from the Wild goat of Southwest Asia and Eastern Europe Typically the cheese takes 40 days to mature when made with goat's milk, and 50 days when made with ewe's milk. The fat content is around 45%, and the cheese is usually a close-to-white colour. White is a Color, the perception which is evoked by Light that stimulates all three types of color sensitive Cone cells in the Human eye