不同剂型中链甘油三酯对断奶仔猪生长性能、养分消化率、肠道吸收能力及血液指标的影响

张昊; 李悦; 杨丽; 王建军; 王恬; 赵鑫

doi:10.3969/j.issn.1006-267x.2014.04.029

动物营养学报 >

2014 , Vol. 26 >Issue 4: 1077 - 1084

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.04.029

研究简报 Short Communications

不同剂型中链甘油三酯对断奶仔猪生长性能、养分消化率、肠道吸收能力及血液指标的影响

张昊 ,
李悦 ,
杨丽 ,
王建军 ,
王恬 ,
赵鑫

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1. 南京农业大学动物科技学院, 南京 210095;
2. 益海粮油工业有限公司, 连云港 222042

收稿日期: 2013-10-17

网络出版日期: 2014-04-01

基金资助

国家自然科学基金（31272454）

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Effects of Different Formulations of Medium-Chain Triglycerides on Growth Performance, Nutrient Digestibility, Capacity of Intestinal Absorption and Blood Parameters of Weaner Piglets

ZHANG Hao ,
LI Yue ,
YANG Li ,
WANG Jianjun ,
WANG Tian ,
ZHAO Xin

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1. College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China;
2. Yihai Oils & Grains Industries Co., Ltd., Lianyungang 222042, China

Received date: 2013-10-17

Online published: 2014-04-01

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摘要

本研究旨在探讨不同剂型中链甘油三酯（medium-chain triglycerides，MCT）对断奶仔猪生长性能、养分消化率、肠道吸收能力及血液指标的影响。试验选用90头22日龄的断奶仔猪（杜×长×大），随机分成3组，每组3个重复，每个重复10头仔猪。对照组饲喂含2.9%豆油的基础饲粮，试验组分别以1.4%液体MCT、1.4%固体MCT替代同一水平的豆油，试验期28 d。结果表明：与对照组相比，试验1~14 d，固体MCT使断奶仔猪平均日增重显著提高了13.15%（P<0.05），显著提高了试验第14天断奶仔猪血液中D-木糖的含量（P<0.05）；2种剂型MCT均显著提高了试验第14天断奶仔猪血液中总蛋白的含量（P<0.05）；固体MCT显著降低了试验第14天断奶仔猪血液中尿素氮的含量（P<0.05）。试验15~28 d及试验全期（1~28 d）的各项指标，3组间均无显著差异（P>0.05）。结果提示，MCT替代部分豆油可促进断奶后2周内仔猪肠道吸收能力的恢复，改善蛋白质代谢，进而对断奶仔猪生长性能有一定促进作用。

关键词： 中链甘油三酯; 断奶仔猪; 生长性能; 消化功能; 血液指标

本文引用格式

张昊 , 李悦 , 杨丽 , 王建军 , 王恬 , 赵鑫 . 不同剂型中链甘油三酯对断奶仔猪生长性能、养分消化率、肠道吸收能力及血液指标的影响[J]. 动物营养学报, 2014 , 26(4) : 1077 -1084 . DOI: 10.3969/j.issn.1006-267x.2014.04.029

Abstract

The objective of this experiment was to investigate the effects of different formulations of medium-chain triglycerides (MCT) on growth performance, nutrient digestibility, capacity of intestinal absorption and blood parameters of weaner piglets. Ninety piglets (Duroc×Landrace×Yorkshire) weaned at 22 days of age were selected for the study. They were randomly divided into 3 groups, and the dietary treatments of these three groups were as follows: a based diet contained 2.9% soybean oil (CT group), the basal diet contained 1.4% MCT oil (MO group), and the basal diet contained 1.4% MCT powder (MP group), respectively. The experiment lasted for 28 days. The results showed as follows: compared with CT group, the average daily gain of MP group was significantly higher than that of CT group by 13.15% from 1 to 14 days (P<0.05); MCT powder significantly enhanced the content of D-xylose in plasma on day 14 (P<0.05); the different formulations of MCT significantly increased the content of total protein (P<0.05) and MCT powder significantly decreased the content of urea nitrogen in plasma on day 14 (P<0.05). There were no significant differences in above parameters among these three groups from 15 to 28 days and during the whole experimental period (P>0.05). In conclusion, replacing part of soybean oil with MCT can improve intestinal absorption capacity and protein metabolism, and enhance the growth performance of weaner piglets during the first 2 weeks post-weaning.

Key words： medium-chain triglycerides; weaner piglet; growth performance; digestive function; blood parameters

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