Cheese in the categorization of these cheeses is their age. Fresh cheeses without additional preservatives can spoil in a matter of days. Content (double cream, goat, ewe and water buffalo) 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 cows' milk, many parts of the world also produce cheese from goats and sheep. Some cheeses are described by their fat content. Double cream cheeses are soft cheeses of cows' milk enriched
Farmstead cheese recently gained accolades for its farmstead cheeses, even creating the WNC Cheese Trail. Farmstead cheese Farmstead cheese, less commonly known as farmhouse cheese, is produced from the milk collected on the same farm where the cheese is produced. Unlike artisan cheese, which may also include milk purchased and transported from off-farm sources, farmstead cheese makers only use milk from animals they raise. According to the American Cheese Society, "milk used in the production of farmstead cheeses may not be obtained from any outside source". As a result, the cheeses produced often have unique flavors owing to the farm's local terroir.