Buffalo mozzarella farms used to produce the PDO buffalo mozzarella DOP. On 19 April, China definitively removed the ban on mozzarella, originally activated on 28 March 2008, and tests held in December 2013 in Germany on behalf of four Italian consumer associations have highlighted dioxin and heavy metal levels at the lowest of five times at most permitted by law. To produce of cheese, a cheese maker requires of cow milk but only of buffalo milk. Producing 1 kg of butter requires of cow milk but only of buffalo milk. The steps required to produce buffalo mozzarella are: The digestive system of
Sheep milk cheese content. Sheep milk contains 4.8% lactose, more lactose than cow milk, and is therefore not an alternative for people who are lactose intolerant. Though sheep's milk may be drunk in fresh form, today it is used predominantly in cheese and yogurt making. Well-known cheeses made from sheep milk include the Feta of Bulgaria and Greece, Roquefort of France, Manchego from Spain, the Pecorino Romano (the Italian word for sheep is "pecore") and Ricotta of Italy. Yogurts, especially some forms of strained yogurt, may also be made from sheep milk. Many of these products are now often made with cow's milk,