We will vary our rations based on the size of the calves and the time of the year, we aim to be 11.5-13.5% protein, 8-14% fiber, and 4-5% fat, we generally use cracked corn, oats barley, Purina 4tFyer supplement(we have fed Purina 4tFyer for over 5 years and absolutely love it, 32% protein and...