343. Effects of Supplementation of an Active-dry Yeast Saccharomyces Cerevisiae CNCM I-1077 on Growth Performance of Moderate-risk Backgrounded Calves.
The objective of this trial was to evaluate the effect of supplementation of an active dry yeast on growth performance of moderate-risk calves during a 60-d backgrounding period. A total of 736 newly weaned, crossbred steers [initial body weight (IBW) = 295 ± 21.1 kg] were utilized with an average of 92 steers per pe...