动物营养学报 >

2021 , Vol. 33 >Issue 2: 811 - 821

DOI: https://doi.org/10.3969/j.issn.1006-267x.2021.02.022

禽营养与饲料 POULTRY NUTRITION AND FEED

回归分析法评价4种麦类饲料原料的肉鸡有效能值

  • 方成堃 ,
  • 禹琪芳 ,
  • ADEOLA Olayiwola ,
  • 贺建华
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  • 1. 湖南农业大学动物科技学院, 长沙 410128;
    2. 美国普渡大学动物科学系, 西拉法叶 IN 47906
方成堃(1990-),男,湖南益阳人,硕士研究生,研究方向为饲料资源开发和新饲料添加剂的应用。E-mail:21361124@qq.com

收稿日期: 2020-10-18

  网络出版日期: 2021-02-04

基金资助

湖南省双一流建设专项（KXK201801004）

收起

Effective Energy Values of 4 Grains Feed Ingredients for Broiler Chickens Using Regression Analysis Method

  • FANG Chengkun ,
  • YU Qifang ,
  • ADEOLA Olayiwola ,
  • HE Jianhua
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  • 1. College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China;
    2. Department of Animal Sciences, Purdue University, West Lafayette IN 47906, America

Received date: 2020-10-18

  Online published: 2021-02-04

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摘要

本试验旨在评价大麦、黑小麦、小麦和黑麦4种麦类饲料原料在肉鸡上的有效能值，以期优化现有配方数据库，逐步实现饲粮营养的精准供给。采用回归分析法，试验分2批进行，试验1评价大麦和黑小麦的肉鸡回肠消化能（IDE）、代谢能（ME）、氮校正代谢能（MEn），试验2评价小麦和黑麦的肉鸡IDE、ME、MEn。每个批次试验均选用320只1日龄雄性罗斯708肉鸡为试验动物，将其随机分为5个组，每组设8个重复，每个重复8只鸡。1~20日龄为预试期，饲喂基础饲粮；21~28日龄为试验期，分别饲喂基础饲粮和试验饲粮。试验1的5个组21~28日龄所喂饲粮如下：基础饲粮、含250 g/kg大麦的饲粮、含500 g/kg大麦的饲粮、含250 g/kg黑小麦的饲粮、含500 g/kg黑小麦的饲粮。试验2的5个组21~28日龄所喂饲粮如下：基础饲粮、含250 g/kg小麦的饲粮、含500 g/kg小麦的饲粮、含250 g/kg黑麦的饲粮、含500 g/kg黑麦的饲粮。结果表明：在饲粮中添加大麦、黑小麦、小麦和黑麦对肉鸡生长性能均无显著影响（P>0.05）。大麦替代量与干物质、能量的回肠消化率以及干物质、氮、能量的全肠道代谢率，以及IDE、ME、MEn存在极显著的线性降低关系（P<0.01）；黑小麦替代量与氮全肠道代谢率、IDE、ME、MEn存在极显著的线性降低关系（P<0.01），且与干物质、能量回肠消化率、IDE存在显著或极显著的二次曲线关系（P<0.05或P<0.01）；小麦替代量与干物质、氮、能量、氮校正能量的全肠道代谢率显著或极显著的线性降低关系（P<0.05或P<0.01），且与干物质、能量的回肠消化率和IDE存在显著或极显著的二次曲线关系（P<0.05或P<0.01）；黑麦替代量与干物质、能量的回肠消化率以及干物质、氮的全肠道代谢率存在显著或极显著线性降低关系（P<0.05或P<0.01）；且与干物质、能量的回肠消化率和干物质、氮、能量、氮校正代谢能的全肠道代谢率以及IDE、ME、MEn存在显著或极显著的二次曲线关系（P<0.05或P<0.01）。通过回归分析得出大麦的肉鸡IDE、ME和MEn分别为9.31、10.50、10.29 MJ/kg，黑小麦分别为10.99、11.80、11.43 MJ/kg，小麦分别为10.59、11.81、11.28 MJ/kg，黑麦分别为11.97、12.56、11.83 MJ/kg。

关键词： 麦类饲料原料; 肉鸡; 回归分析; 有效能

本文引用格式

方成堃 , 禹琪芳 , ADEOLA Olayiwola , 贺建华 . 回归分析法评价4种麦类饲料原料的肉鸡有效能值[J]. 动物营养学报, 2021 , 33(2) : 811 -821 . DOI: 10.3969/j.issn.1006-267x.2021.02.022

Abstract

The objective of this experiment was to evaluate the effective energy values of barley, triticale, wheat and rye, optimize the existing formula database, and gradually realize the accurate supply of dietary nutrition. By using regression analysis method, and the experiment was divided into two batches, experiment 1 (Exp.1) evaluated the ileal digestibility (IDE), metabolic energy (ME) and nitrogen-corrected metabolic energy (MEn) of barley and triticale, experiment 2 (Exp.2) evaluated IDE, ME and MEn of wheat and rye. In each experiment, a total of 320 one-day-old male Ross 708 broiler chickens were randomly divided into 5 groups with 8 replicates per group and 8 chickens per replicate. 1 to 20 days old was the pre-test period, and broiler chickens were fed a basal diet; 21 to 28 days old was the experimental period, and broiler chickens were fed the diet and experimental diet, respectively. The 5 groups' diets at the age of 21 to 28 days in Exp.1 were as follows: basal diet, barley-containing diet (250 g/kg barley), barley-containing diet (500 g/kg barley), triticale-containing diet (250 g/kg triticale),triticale-containing diet (500 g/kg triticale). The 5 groups' diets at the age of 21 to 28 days in Exp.2 were as follows: basal diet, wheat-containing diet (250 g/kg wheat), wheat-containing diet (500 g/kg wheat), rye-containing diet (250 g/kg rye), rye-containing diet (500 g/kg rye). The results showed that the additions of barley, triticale, wheat and rye had no significant effects on the growth performance of broiler chickens (P>0.05). There was an extremely significant linear decrease relationship between the substitution amount of barley and the ileal digestibility of dry matter and energy, the total tract metabolizability of dry matter, nitrogen and energy, and IDE, ME, MEn (P<0.01). There was an extremely significant linear decrease relationship between the substitution amount of triticale and the total tract metabolizability of nitrogen, and IDE, ME, MEn (P<0.01), and there was a significant or extremely significant quadratic curve relationship between the substitution amount of triticale and the ileal digestibility of dry matter, energy and IDE (P<0.05 or P<0.01). There was a significant or extremely significant linear decrease relationship between the substitution amount of wheat and the total tract metabolizability of dry matter, nitrogen, energy and nitrogen-corrected energy (P<0.05 or P<0.01), and there was a significant or extremely significant quadratic curve relationship between the substitution amount of wheat and the ileal digestibility of dry matter and energy, and IDE (P<0.05 or P<0.01). There was a significant or extremely significant linear decrease relationship between the substitution amount of rye and the ileal digestibility of dry matter and energy, and the total tract metabolizability of dry matter and nitrogen (P<0.05 or P<0.01), and there was a significant or extremely significant quadratic curve relationship between the substitution amount of rye and the ileal digestibility of dry matter and energy, and the total tract metabolizability of dry matter and nitrogen, energy and nitrogen-corrected energy, and IDE, ME, MEn (P<0.05 or P<0.01). According to the regression analysis, the IDE, ME and MEn of broiler chickens in barley are 9.31, 10.50 and 10.29 MJ/kg, those in triticale are 10.99, 11.80 and 11.43 MJ/kg, those in wheat are 10.59, 11.81 and 11.28 MJ/kg, and those in rye are 11.97, 12.56 and 11.83 MJ/kg, respectively.

Key words： grains feed ingredients; broiler chickens; regression analysis; effective energy

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