When we talk about producing protein, we often think of the percentage shown on the milk paycheque and the kilograms of protein delivered. In practice, however, improving milk protein starts much earlier and in a more concrete place: the rumen.

Until recently, there was no great way to put a numeric value to the amino acid profile of feed. With the release of the 2021 dairy NASEM, we now have a method to determine the relative value of the amino acid profile of a given feedstuff.

Cattle have a requirement and desire for salt, but many producers have been misled to believe that salt blocks, especially trace mineral salt blocks, provide adequate trace mineral.