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Asian-Australas J Anim Sci > Volume 13(3); 2000 > Article
Swine Nutrition and Feed Technology
Asian-Australasian Journal of Animal Sciences 2000;13(3): 369-375.
DOI: https://doi.org/10.5713/ajas.2000.369    Published online March 1, 2000.
Nutritive Values of Chinese Peanut Meal for Growing-Finishing Pigs
Defa Li, X. X. Xu, S. Y. Qiao, C. T. Zheng, Y. Chen, X. S. Piao, In K. Han, P. Thacker
Abstract
Two experiments were conducted to determine the apparent ileal digestibility of the amino acids contained in peanut meal using the regression technique and then applying the values obtained, in a growth trial, using growing-finishing pigs. For the digestibility trial, four 20 kg crossbred (Yorkshire횞 Landrace횞Beijing Black) barrows were fitted with simple T-cannula in the terminal ileum. After recovery, the barrows were fed one of four experimental diets according to a 4횞4 Latin Square design. The pigs were fed corn-soybean meal based diets supplemented with 0, 25, 50 or 75% peanut meal. For the growth trial, 200 crossbred (Yorkshire횞Landrace횞Beijing Black) growing pigs (20.9 kg) were fed corn-soybean meal diets supplemented with 0, 5, 10, 15 or 20% peanut meal. Five pens (4 gilts and 4 castrates) were assigned to each treatment. With the exception of arginine, histidine and phenylalanine, the digestibility coefficients for the indispensible amino acids declined as the level of peanut meal in the diet increased. There was a good agreement between the amino acid digestibilities for lysine, methionine, threonine and tryptophan determined using the regression technique and amino acid digestibilities previously published for peanut meal. During both the growing (21-54 kg) and finishing (54-99 kg) periods, the addition of peanut meal decreased average daily gain (p=0.01) and feed conversion in a linear manner (p<0.05). Feed intake was not significantly different among treatments. The overall results suggest that peanut meal can be used at levels up to 15% in diets fed to growing-finishing pigs provided that the diet has been balanced for digestible amino acids.
Keywords: Peanut Meal; Ileal Digestibility; Amino Acids; Performance; Pigs


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