Thirty-two Pelibuey×Katahdin lambs, 4.5 mon old (initial
BW=(30.55±1.67) kg; n=8), were stratified by BW and
randomly assigned to one of four treatments: 1) control
group (0.0 g kg–1 yeast); 2) yeast (1.50 g kg–1 DMI d–1); 3)
Se-Cr mixed (1.5 mg kg–1 DMI d–1 of each mineral); and 4)
yeast-Se-Cr mixture.