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
The Moon is made of green cheese this morphology is grouped as "The Wolf Dives into the Water for Reflected Cheese" (Type 34) of the Aarne–Thompson classification of folktales, where the Moon's reflection is mistaken for cheese, in the section devoted to tales of The Clever Fox. It can also be grouped as "The Moon in the Well" (Type 1335A), in the section devoted to Stories about a Fool, referring to stories where the simpleton believes the Moon itself is a tangible object in the water. "The Moon is made of green cheese" was one of the most popular proverbs in 16th and 17th-century English literature, and