Formulating animal feed rations with a Pearson Square
In this example a final diet formulation of 11% CP is required. HOW TO USE A PEARSON SQUARE. 1. The value in the middle MUST be intermediate between the two values used in the left side of the square. In this example, 11% is the CP requirement for the animals. Chopped hay has % CP and corn silage has % CP. 2.