milk fat percentages ( 3.23 , 2.94 , and 3.23 % ) were lower when cows were fed urea , but milk protein ( 3.10 , 3.04 , and 3.04 % ) and solids-not-fat ( 8.74 , 8.79 , and 8.81 % ) were not affected by diet .
C0991850
milk fat
C0026138
milk protein