Tag: Milk classifications

The USDA's 'Grade Aa' classification applies exclusively to butter; it does not pertain to fluid milk. Many mistakenly believe a higher grade indicates better drinking milk, but understanding these standards is crucial. This guide clarifies what is grade Aa milk, and explains the grading system for various dairy products.

Over 90% of commercially produced milk in the US is Grade A, leading many to wonder about the other categories. In fact, what are the three grades of milk is a common misconception, as the U.S. dairy industry operates primarily on two federal grades for raw milk, not three, alongside a distinct system of usage classes. This article clarifies these systems and explains why most consumers only see Grade A milk.