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Zhu, Zhengpeng,Hinson, Rodney B.,Ma, Li,Li, Defa,Allee, Gary L. Asian Australasian Association of Animal Productio 2010 Animal Bioscience Vol.23 No.6
Four experiments with 2,020 nursery pigs (Triumph-4${\times}$PIC Camborough 22) were conducted at a commercial research site to evaluate the effects of including 30% distillers dried grain with solubles (DDGS) in late nursery diets on pig growth performance and to compare the effects of pelleted and meal diets containing 30% DDGS on growth performance and nutrient digestibility. In Exp. 1, 312 pigs (10.54${\pm}$0.16 kg) were allotted to two diets: corn-soybean meal based control diet and a corn-soybean meal diet containing 30% DDGS. In Exp. 2, 337 pigs (16.70${\pm}$0.14 kg) were used to validate Exp. 1 with similar diets. In Exp. 3, 665 pigs (11.77${\pm}$0.12 kg) were allotted to diets containing 30% DDGS, but in different forms: meal or pellet. Fecal samples were collected during the final day of the trials to measure nutrient and energy apparent total tract digestibility (ATTD). In Exp. 4, 706 pigs (18.40${\pm}$0.18 kg) were allotted to the same diets as Exp. 3. In Exp. 1 and 2, there was no (p>0.05) effect of DDGS on ADG, ADFI or G:F. In Exp. 3, pelleting improved (p<0.01) ADG (578 vs. 541 g/d) and G:F (714 vs. 674 g/kg), with no difference (p>0.05) in ADFI. The ATTD of most nutrients and energy were improved by pelleting (p<0.05). In Exp. 4, ADG (717 vs. 675 g/d) and G:F (680 vs. 648 g/kg) were improved by pelleting (p<0.01), with no difference (p>0.05) in ADFI. In conclusion, 10-23 kg pigs in late nursery phase can be fed up to 30% DDGS without having a detrimental effect on pig performance, and pelleting the diet will increase nutrient and energy availability.