动物营养学报 >

2021 , Vol. 33 >Issue 2: 965 - 973

DOI: https://doi.org/10.3969/j.issn.1006-267x.2021.02.037

反刍与草食动物营养与饲料 RUMINANT AND HERBIVORE NUTRITION AND FEED

高直链淀粉玉米替代普通玉米对断奶羔羊生长性能、营养物质表观消化率和血液生理生化指标的影响

  • 陈凯 ,
  • 刘勇 ,
  • 冉涛 ,
  • 贺建华 ,
  • 贺志雄 ,
  • 谭支良
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  • 1. 湖南农业大学动物科学技术学院, 长沙 410128;
    2. 中国科学院亚热带农业生态研究所, 亚热带农业生态过程重点实验室, 畜禽养殖污染控制与资源化技术国家工程实验室, 湖南省动物营养生理与代谢过程重点实验室, 农业部中南动物营养与饲料科学观测实验站, 长沙 410125;
    3. 中国科学院大学, 北京 100049
陈凯(1996-),男,湖南湘潭人,硕士研究生,动物营养与饲料科学专业。E-mail:chenkia@outlook.com

收稿日期: 2020-07-20

  网络出版日期: 2021-02-04

基金资助

国家自然科学基金项目（31702139）；中科院STS项目（KFJ-STS-ZDTP-075）

收起

Effects of Normal Corn Replacement by High Amylose Corn on Growth Performance, Nutrient Apparent Digestibility and Blood Biochemical and Physiological Indexes of Weaning Goats

  • CHEN Kai ,
  • LIU Yong ,
  • RAN Tao ,
  • HE Jianhua ,
  • HE Zhixiong ,
  • TAN Zhiliang
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  • 1. College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China;
    2. South Central Experimental Station of Animal Nutrition and Feed Science in Ministry of Agriculture, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Key Laboratory for Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, The Chinese Academy of Sciences, Changsha 410125, China;
    3. University of Chinese Academy of Sciences, Beijing 100049, China

Received date: 2020-07-20

  Online published: 2021-02-04

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摘要

本试验旨在探究高直链淀粉玉米（简称高直玉米）替代普通玉米对于断奶羔羊生长性能、营养物质消化率和血液生理生化指标的影响。将27头平均体重为（8.97±0.19） kg的湘东黑山羊随机分为3组，每组4头公羊、5头母羊，试验羊单栏饲养。3组羔羊分别饲喂用高直玉米替代基础饲粮中0（A组，作为对照组）、50%（B组）、100%（C组）普通玉米的试验饲粮。预试期7 d，正试期28 d。结果表明：与对照组相比，B、C组羔羊的平均日增重显著增加（P<0.05），干物质、粗蛋白质、中性洗涤纤维（NDF）和酸性洗涤纤维（ADF）表观消化率显著提高（P<0.05）。B组羔羊血清血管内皮生长因子（VEGF）、乳酸（LAC）含量高于对照组，但差异不显著（P>0.05）；C组羔羊血清VEGF和LAC含量显著高于对照组（P<0.05）。综上可知，高直玉米替代饲粮中50%或100%的普通玉米对断奶羔羊的生长和营养物质消化均有积极影响。

关键词： 高直链淀粉玉米; 断奶羔羊; 生长性能; 营养物质表观消化率; 血液生理生化指标

本文引用格式

陈凯 , 刘勇 , 冉涛 , 贺建华 , 贺志雄 , 谭支良 . 高直链淀粉玉米替代普通玉米对断奶羔羊生长性能、营养物质表观消化率和血液生理生化指标的影响[J]. 动物营养学报, 2021 , 33(2) : 965 -973 . DOI: 10.3969/j.issn.1006-267x.2021.02.037

Abstract

This experiment was conducted to study the effects of normal corn replacement by high amylose corn on growth performance, nutrient apparent digestibility and blood biochemical and physiological indexes of weaning goats. Twenty-seven Xiangdong black goats with an average body weight of (8.97±0.19) kg were divided into 3 groups with 4 male goats and 5 female goats and each of them was raised in a single column. The weaning goats in the 3 groups were fed experimental diets, and the experimental diets were formulated by replacing 0 (A group, as control group), 50% (B group) and 100% (C group) normal corn with high amylose corn, respectively. Preliminary period lasted for 7 d, and test period lasted for 28 d. The results showed that, compared with control group, the average daily gain in B and C groups was significantly increased (P<0.05), as well as the apparent digestibility of dry matter, crude protein, neutral detergent fiber (NDF) and acid detergent fiber (ADF) was significantly improved (P<0.05). The contents of serum vascular endothelial growth factor (VEGF) and lactic acid (LAC) in B group were higher than those of control group, but the differences were not significant (P>0.05); however, the contents of serum VEGF and LAC in C group were significantly higher than those of control group (P<0.05). In conclusion, the replacement of 50% or 100% normal corn with high amylose corn in weaning goats' diets have a positive effect on growth and nutrient digestibility.

Key words： high amylose corn; weaning goats; growth performance; nutrient apparent digestibility; blood biochemical and physiological indexes

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