Over-formulation

Every week, I receive at least one request to review a set of diets. Sometimes for sows, sometimes for growers, occasionally for both. I usually prepare a detailed response, attach it to an email, and off it goes. Most sets of formulas come from exterior sources, but more and more in-house nutritionists request for a second opinion – something that I consider very progressive! I just finished one such review and I cannot stop thinking that there is a common denominator in almost every se