It's easy to overfeed certain minerals in dairy diets. bill weiss, of the Ohio State University, says mineral overload often comes from these six areas:

  • Errors at the feed mill or mixing mistakes at the TMR.
  • Ingredients with high mineral levels (included in the ration because of low cost).
  • Alfalfa and grasses high in potassium.
  • Distillers grains (especially high sulfur).
  • Water.
  • Supplementation beyond the animal's requirement.