cows were randomly
assigned into one of the two groups to receive 1.7 kg/animal/day of one of the following treatments: 40% soybean
meal containing 44% crude protein (CP) plus 60% of sun-
flower seed (sunflower group, n ¼ 66) or 53% soybean meal
containing 44% CP plus 47% corn (control group, n ¼ 67)