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首页> 外文期刊>Revista Brasileira de Ciência Avícola >Effects of Dietary Supplementation with Tributyrin and Coated Sodium Butyrate on Intestinal Morphology, Disaccharidase Activity and Intramuscular Fat of Lipopolysaccharide-Challenged Broilers
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Effects of Dietary Supplementation with Tributyrin and Coated Sodium Butyrate on Intestinal Morphology, Disaccharidase Activity and Intramuscular Fat of Lipopolysaccharide-Challenged Broilers

机译：日粮中添加丁酸丁酯和丁酸钠包衣对脂多糖挑战型肉鸡肠道形态，二糖苷酶活性和肌内脂肪的影响

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摘要

The objectives of this study were to investigate the effects of tributyrin (TB) and coated sodium butyrate (CSB) on intestinal morphology, disaccharidase activity and intramuscular fat of broilers challenged with lipopolysaccharide (LPS). A total of 160 1-day-old healthy Cobb broilers were randomly allocated into four groups: (1) control; (2) LPS, in which broilers were fed a basal diet and intraperitoneally injected with 500 μg/kg LPS on days 38, 40 and 42; (3) TB, in which LPS-challenged broilers were fed basal diet supplemented with 500 mg/kg TB; and (4) CSB, in which LPS-challenged broilers were fed basal diet supplemented with 877 mg/kg CSB. Addition of TB and CSB inhibited ( p 0.05) the decrease in villus height in the duodenum and ileum of LPS-challenged broilers, respectively. Both TB and CSB increased ( p 0.05) activity of maltase in the small intestine, and TB increased ( p 0.05) activity of isomaltase in the ileum. Additionally, dietary addition of TB and CSB decreased ( p 0.05) the content of intramuscular fat. In conclusion, dietary supplementation of TB was more effective than CSB in improving intestinal morphology and disaccharidase activity of LPS-challenged broilers, and they both reduced intramuscular fat in the breast and legs.
机译：这项研究的目的是调查三丁酸甘油酯（TB）和包膜丁酸钠（CSB）对用脂多糖（LPS）攻击的肉鸡肠道形态，二糖酶活性和肌内脂肪的影响。总共160只1天大的健康Cobb肉鸡被随机分为四组：（1）对照; （2）LPS，在第38、40和42天，给肉鸡饲喂基础饮食，并腹膜内注射500μg/ kg LPS; （3）结核病，其中LPS激发的肉鸡接受基础饮食补充500 mg / kg TB; （4）CSB，其中LPS激发的肉鸡饲喂补充了877 mg / kg CSB的基础饲料。添加TB和CSB分别（L <0.05）抑制了LPS挑战的肉鸡十二指肠和回肠绒毛高度的降低。 TB和CSB均增加了小肠中麦芽糖酶的活性（p <0.05），而TB增加了回肠中异麦芽糖酶的活性（p <0.05）。此外，饮食中添加TB和CSB会降低（p <0.05）肌内脂肪含量。总之，膳食补充结核病对改善LPS挑战性肉鸡的肠道形态和二糖苷酶活性比CSB更有效，并且它们都减少了胸部和腿部的肌内脂肪。

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