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.
Maytag Blue cheese but attempts to manufacture a similar cheese in the United States had thus far been unsuccessful. Difficulties encountered in making these types of cheeses produced a less than satisfactory product, and quality control would have been disastrous. "During the Second World War, [the] university patented the homogenisation of cheese milk and attempted to have charges levied on Danish cheese produced using homogenised milk. Their attempts failed, as it could be proved that this method had been introduced 20 years earlier in Denmark by Marius Boe." The problems encountered with producing Roquefort type cheeses in the United States for distribution were