Buffalo mozzarella both because of its strength and the size of its hooves, which do not sink too deeply into moist soils." References to cheese products made from water buffalo milk appeared for the first time at the beginning of the twelfth century. Buffalo mozzarella became widespread throughout the south of Italy from the second half of the eighteenth century, before which it had been produced only in small quantities. Production in and around Naples was briefly interrupted during World War II, when retreating German troops slaughtered the area's water buffalo herds, and recommenced a few years after the armistice was signed.
Sour milk cheese Sour milk cheese Sour milk cheese or acid-set cheese is a cheese that has been curdled (coagulated) by natural souring or by the addition of lactic acid bacteria, such as traditional curd cheese or cottage cheese. Sour milk cheese does not use rennet for coagulation. Sour milk cheese generally ripens for no more than two weeks in comparative warmth. 100 litres of milk yield about 8 to 9 kilograms of sour milk cheese, which contains less than 10% fat and up to 37% protein. Most sour milk cheeses are white mould cheeses or red mould cheeses, and many are flavoured