This study evaluated the effects of dehulled lupin kernel (DLK) supplementation on growth performance, nutrient digestibility, blood urea nitrogen (BUN) and creatinine, fecal microbiota and fecal noxious gas emission in growing pigs. A total of 108 growing pigs (Landrace × Yorkshire × Duroc) with an average initial body weight (IBW) of 24.49 ± 3.2 kg were allocated to one of three dietary treatments (5, 10, and 20 % DLK) according to sex and BW in a randomized complete block design for 6 wk. Each dietary treatment consisted of 9 replication pens with 4 pigs per pen (2 gilts and 2 borrows). The results show that there were no significant differences in growth performance and nutrient digestibility among the treatments (p> 0.05). However, pigs fed the DLK20 diet had a higher BUN compared with those fed the DLK10 diet (p <0.05). No effects were observed on the fecal microbiota and fecal noxious gas emission among the treatments. In conclusion, the inclusion of 20% DLK had no adverse effects on the performance in growing pigs.
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