Effectiveness of dietary xylo-oligosaccharides for broilers fed a conventional corn-soybean meal diet

文献类型： 外文期刊

第一作者： Suo Hai-qing

作者： Suo Hai-qing;Lu Lin;Zhang Li-yang;Luo Xu-gang;Xu Guo-hui;Xiao Lin;Chen Xiao-gang;Xia Rui-rui

作者机构：

关键词： xylo-oligosaccharide;effectiveness;F/G;drip loss;broiler chick

期刊名称：JOURNAL OF INTEGRATIVE AGRICULTURE （ 影响因子：2.848； 五年影响因子：2.979 ）

ISSN： 2095-3119

年卷期： 2015 年 14 卷 10 期

页码：

收录情况： SCI

摘要： An experiment was conducted to investigate the effect of dietary supplementation of xylo-oligosaccharides (XOS) on growth performance, meat quality, immune functions, duodenal morphology and intestinal microbial populations of broilers fed a conventional corn-soybean meal basal diet. A total of 450 1-day-old commercial Arbor Acres male broiler chicks were randomly allocated by bodyweight to 1 of 5 treatments with 6 replicate cages (15 broilers per cage) for each of 5 treatments in a completely randomized design. Chicks were fed the basal corn-soybean meal diets supplemented with 0, 25, 50, 75, or 100 mg of XOS kg(-1) of diet, respectively, for an experimental duration of 42 days. The results showed that supplementation of XOS affected feed conversion rate (feed/gain, FIG) during days 22-42 and 1-42 (P<0.03), drip loss in thigh muscle (P=0.02), and duodenal crypt depth (P=0.005) on day 42, but had no effect (P>0.05) on all other measured indices. The chicks fed the diet supplemented with 100 mg of XOS kg(-1) had the lowest (P<0.05) FIG and drip loss in thigh muscle. The drip loss in thigh muscle decreased linearly (P=0.003) as the supplemented XOS increased. Duodenal crypt depth decreased (P<0.05) at the supplemental level of 75 mg of XOS kg(-1). The results indicate that dietary supplementations of 75 and 100 mg of XOS kg(-1) are beneficial to broilers fed a conventional corn-soybean meal diet.

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