动物营养学报 >

2013 , Vol. 25 >Issue 4: 768 - 777

DOI: https://doi.org/10.3969/j.issn.1006-267x.2013.04.014

饲料营养 Feed Science and Technology

苯甲酸对断奶仔猪生长性能、血清生化指标、养分消化率和空肠食糜消化酶活性的影响

  • 刁慧 ,
  • 郑萍 ,
  • 余冰 ,
  • 何军 ,
  • 毛湘冰 ,
  • 虞洁 ,
  • 黄志清 ,
  • 代腊 ,
  • 王曲圆 ,
  • 陈代文
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  • 四川农业大学动物营养研究所, 动物抗病营养教育部重点实验室, 雅安 625014

收稿日期: 2012-11-21

  网络出版日期: 2013-03-25

基金资助

国家生猪现代产业技术体系建设专项资金(CARS-36);生猪现代产业链关键技术研究集成与产业化示范(2012NZ001)

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Effects of Benzoic Acid on Growth Performance, Serum Biochemical Parameters, Nutrient Digestibility and Digestive Enzyme Activities of Jejunal Digesta in Weaner Piglets

  • DIAO Hui ,
  • ZHENG Ping ,
  • YU Bing ,
  • HE Jun ,
  • MAO Xiangbing ,
  • YU Jie ,
  • HUANG Zhiqing ,
  • DAI La ,
  • WANG Quyuan ,
  • CHEN Daiwen
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  • Key Laboratory for Animal Disease-Resistance Nutrition of Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Ya'an 625014, China

Received date: 2012-11-21

  Online published: 2013-03-25

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摘要

本试验旨在研究苯甲酸对断奶仔猪生长性能、血清生化指标、养分消化率和空肠食糜消化酶活性的影响。选择72头24日龄断奶、初始体重为(6.03±0.78) kg的健康"杜×长×大"三元杂交仔猪,按体重相近、公母各占1/2的原则,随机分为2个组,即对照组和苯甲酸组(5 000 mg/kg),每个组6个重复,每个重复6头仔猪,试验期42 d。结果表明:与对照组相比,饲粮中添加5 000 mg/kg苯甲酸显著降低了仔猪全期的料重比(P<0.05),显著或极显著提高了试验第42天仔猪血清中钙和三碘甲腺原氨酸的含量以及饲粮干物质、粗蛋白质、能量、粗脂肪、钙、磷和粗灰分的消化率(P<0.05或P<0.01)。与对照组相比,饲粮中添加5 000 mg/kg苯甲酸显著或极显著提高了试验第14天仔猪空肠食糜胰蛋白酶、淀粉酶、脂肪酶、麦芽糖酶、蔗糖酶和乳糖酶的活性及试验第42天仔猪空肠食糜乳糖酶和蔗糖酶的活性(P<0.05或P<0.01)。综上所述,在本试验条件下,添加5 000 mg/kg苯甲酸可以提高断奶仔猪生长性能、养分消化率和空肠食糜消化酶活性,并在一定程度上改善血清生化指标。

关键词： 苯甲酸; 生长性能; 养分消化率; 消化酶活性; 仔猪

本文引用格式

刁慧 , 郑萍 , 余冰 , 何军 , 毛湘冰 , 虞洁 , 黄志清 , 代腊 , 王曲圆 , 陈代文 . 苯甲酸对断奶仔猪生长性能、血清生化指标、养分消化率和空肠食糜消化酶活性的影响[J]. 动物营养学报, 2013 , 25(4) : 768 -777 . DOI: 10.3969/j.issn.1006-267x.2013.04.014

Abstract

This experiment was conducted to investigate the effects of dietary benzoic acid on the growth performance, serum biochemical parameters, nutrient digestibility and digestive enzyme activities of jejunal digesta in weaner piglets. A total of 72 healthy weaner piglets (Duroc譒andrace譟orkshire, weaned at 24 days of age) with an initial body weight of (6.03?0.78) kg were randomly divided into 2 groups with 6 replicates (pens) per group and 6 piglets per pen. The piglets were fed a basal diet (control group) and the basal diet+5 000 mg/kg benzoic acid (benzoic acid group), respectively. The whole trial lasted for 42 days. The results showed as follows: compared with the control group, diets supplemented with 5 000 mg/kg benzoic acid significantly decreased the feed/gain during the whole trial period (P<0.05), and significantly increased calcium and triothyrone contents in serum on day 42 and the digestibility of dry matter, crude protein, ether extract, calcium, phosphorus, energy and ash (P<0.05 or P<0.01). Compared with the control group, diets supplemented with 5 000 mg/kg benzoic acid significantly increased the activities of trypsin, lipase, amylase, maltase, sucrase and lactase of digesta in jejunum on day 14 and activities of lactase and sucrase of digesta in jejunum on day 42 (P<0.05 or P<0.01). In conclusion, diets supplemented with 5 000 mg/kg benzoic acid can improve the growth performance, serum biochemical parameters, nutrient digestibility and digestive enzyme activities of digesta in jejunum of piglets.

Key words： benzoic acid; growth performance; nutrient digestibility; digestive enzyme activities; piglets

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