Two experiments were conducted to evaluate the effects of XFE Liquid Energy (XFE
Products, Des Moines, IA) and choice white grease (CWG) on growth performance of
nursery pigs. In Exp. 1, a total of 150 nursery pigs (TR4 × 1050, initially 27.0 lb) were
used in a 21-d experiment. Pens of pigs were balanced by initial BW and randomly
allotted to 1 of 5 dietary treatments with 6 replications per treatment. The 5 dietary
treatments included a control corn-soybean meal-based diet, the control diet with 2 or
4% CWG, or the control diet with 2 or 4% liquid energy. Overall (d 0 to 21), pigs fed
diets containing liquid energy had improved ADG (P < 0.02) and ADFI (P < 0.04)
with no change in F/G compared with control pigs. Pigs fed CWG had greater
(P < 0.04) ADG and improved (P < 0.01) F/G compared with pigs fed the control
diet. The responses tended to be linear (P < 0.09) for liquid energy and were linear
(P < 0.05) for CWG. Finally, pigs fed CWG had improved (P < 0.02) F/G compared
with pigs fed liquid energy.
