Types of cheese cheeses—grating cheeses such as Grana Padano, Parmesan or Pecorino—are quite firmly packed into large forms and aged for months or years. Some cheeses are categorized by the source of the milk used to produce them or by the added fat content of the milk from which they are produced. While most of the world's commercially available cheese is made from cow's milk, many parts of the world also produce cheese from goats and sheep. Examples include Roquefort (produced in France) and Pecorino (produced in Italy) from ewe's milk. One farm in Sweden also produces cheese from moose's milk. Sometimes cheeses
History of cheese from the outset. It is the only form in which milk can be kept in a hot climate. Animal skins and inflated internal organs provided storage vessels for a range of foodstuffs. Cheese produced in Europe, where climates are cooler than in the Middle East, required less salt for preservation. With less salt and acidity, the cheese became a suitable environment for useful microbes and molds, giving aged cheeses their pronounced and interesting flavors. The earliest evidence of cheese () is the Sumerian cuneiform texts of Third Dynasty of Ur, dated at the early second millennium BC. Remains identified as