The United States has several regulations for dairy products, including: Milk: Milk must be pasteurized or ultrapasteurized and contain at least 8.25% milk solids and 3.25% milk fat. It must not contain harmful bacteria, such as Salmonella, Listeria, and E. coli. It must also not have any off-flavors, odors, or physical defects. Butter and cheese: The USDA must grade butter and cheese in the final package. The designated grade could be AA, A, or B. Dairy farms: All dairy farms and plants at which any milk or cream is pasteurized for shipment or transportation into the United States shall... Show more

The United States has several regulations for dairy products, including:

Milk: Milk must be pasteurized or ultrapasteurized and contain at least 8.25% milk solids and 3.25% milk fat. It must not contain harmful bacteria, such as Salmonella, Listeria, and E. coli. It must also not have any off-flavors, odors, or physical defects.
Butter and cheese: The USDA must grade butter and cheese in the final package. The designated grade could be AA, A, or B.
Dairy farms: All dairy farms and plants at which any milk or cream is pasteurized for shipment or transportation into the United States shall employ adequate pasteurization machinery.
Dairy product manufacturers: Dairy product manufacturers must follow temperature guidelines of 191°F, 194°F, 201°F, and 204°F for 1, 0.5, 0.1, and 0.05 seconds, respectively. 
The FDA oversees the inspection process for Grade “A” milk supplies. 

Show less