Growth performance and nitrogen metabolism in weaned pigs fed diets containing different sources of starch
文献类型: 外文期刊
第一作者: Li, T. J.
作者: Li, T. J.;Huang, R. L.;Wu, G. Y.;Lin, Y. C.;Jiang, Z. Y.;Kong, X. F.;Chu, W. Y.;Zhang, Y. M.;Kang, P.;Hou, Z. P.;Fan, M. Z.;Liao, Y. P.;Yin, Y. L.
作者机构:
关键词: performance;nitrogen metabolism;starch;weaned pigs
期刊名称:LIVESTOCK SCIENCE ( 影响因子:1.943; 五年影响因子:2.252 )
ISSN: 1871-1413
年卷期: 2007 年 109 卷 1-3 期
页码:
收录情况: SCI
摘要: This study was conducted to determine the performance and N metabolism in weaned pigs fed diets containing different sources of starch. Pigs were weaned at 28 days of age, and assigned randomly into 4 soybean meal-based diets containing different sources of starch: corn, brown rice, sticky rice, and Hi-Maize 1043 (resistant starch). There were 12 pigs per treatment group in the growth performance trial. Additionally, a 4 x 4 Latin design was used for a nitrogen (N) balance study, with 5 days for each experimental period (n = 4). Average daily gains were 0.38, 0.34, 0.31, and 0.28 kg/day (P < 0.01), respectively, for pigs fed the corn, brown rice, sticky-rice, and Hi-Maize 1043 diets. Feed:gain ratios were 1.65, 1.78, 1.95, and 1.86 (P < 0.01), for the above 4 diets, respectively. Fecal N and urinary N excretion as well as the apparent fecal digestibility of crude protein in pigs fed the corn, brown rice, and sticky-rice diets were higher (P < 0.01) compared with pigs fed the Hi-Maize 1043 diet. Collectively, our results indicate that dietary sources of starch affected both growth performance and N utilization in weaned pigs. (c) 2007 Elsevier B.V. All rights reserved.
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