0
A total of eight male pigs, weighing 15.0±1.5 kg were used. They were kept in individual metabolism pens for 2 wk. For the growth study, a total of 192 weaned pigs (48 per treatment), weighing 8.5±1.0 kg 1 wk after weaning were used, and equally distributed into three nursery rooms. For the ileal digestibility study, a diet composed of 961 g oat (oat line SA02995), 9 g limestone, 11 g dicalcium phosphate, 5 g salt, 5 g vitamin premix, 5 g mineral premix per kg dry diet was prepared. For the growth study, four diets were formulated with graded levels of oat (0, 150, 300 and 450 g/kg), at the expense of wheat (84%), canola oil (7%), soybean meal (9%) and essential AA, to contain the same level of net energy (NE) and standardized ileal digestible (SID) lysine, threonine, methionine-cysteine and tryptophan. The content of apparently/standardized ileal digestible (AID and SID g/kg DM) AA was 8.77/9.16 g Arg, 2.90/3.09 g His, 4.92/5.30 g Ile, 9.94/10.4 g Leu, 4.87/5.27 g Lys, 1.86/1.97 g Met, 3.23/3.44 g Cys, 7.25/7.59 g Phe, 3.78/4.39 g Thr and 6.67/7.21 g Val. The lowest AID values were observed for Lys and Thr (77%) but only the SID of Lys was lower than the average SID for the other essential AA (83.6 vs. 88.6%). No difference in overall average daily gain, feed intake or gain to feed ratio was observed between treatments.
In conclusion, high-fat oats can replace a mixture of wheat, canola oil and soybean meal (84:7:9) in diets for nursery pigs.
P Leterme, C Montoya, and B Rossnagel, 2010, Canadian Journal of Animal Science, 90: 65-67.
