动物营养学报 >

2022 , Vol. 34 >Issue 7: 4302 - 4312

DOI: https://doi.org/10.3969/j.issn.1006-267x.2022.07.021

研究论文 RESEARCH PAPER

肉鸡玉米蛋白粉有效能值的测定及净能预测模型的构建

  • 徐莹 ,
  • 班志彬 ,
  • 梁浩 ,
  • 赵晓东 ,
  • 李立佳 ,
  • 瞿子惠 ,
  • 闫晓刚 ,
  • 燕磊 ,
  • 刘燕 ,
  • 陈弟刚
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  • 1. 吉林省农业科学院动物营养与饲料研究所, 公主岭 136100;
    2. 新希望六和股份有限公司, 青岛 266000;
    3. 禾丰食品股份有限公司, 沈阳 110000;
    4. 北京大北农科技集团股份有限公司, 北京 100080
徐莹(1995-),女,辽宁凌海人,硕士研究生,研究方向为动物营养与饲料科学。E-mail:1148869851@qq.com

收稿日期: 2021-12-05

  网络出版日期: 2022-07-14

基金资助

吉林省农业科学院创新工程项目（CXGC202107GH）；家禽能量营养联合研究中心横向委托项目（PENC2021001）

收起

Determination of Effective Energy Values and Construction of Net Energy Prediction Model of Corn Gluten Meal for Broilers

  • XU Ying ,
  • BAN Zhibin ,
  • LIANG Hao ,
  • ZHAO Xiaodong ,
  • LI Lijia ,
  • QU Zihui ,
  • YAN Xiaogang ,
  • YAN Lei ,
  • LIU Yan ,
  • CHEN Digang
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  • 1. Institute of Animal Nutrition and Feed, Jilin Academy of Agricultural Sciences, Gongzhuling 136100, China;
    2. New Hope Liuhe Group Co., Ltd., Qingdao 266000, China;
    3. Wellhope Foods Company Limited, Shenyang 110000, China;
    4. Beijing Dabeinong Science and Technology Group Co., Ltd., Beijing 100080, China

Received date: 2021-12-05

  Online published: 2022-07-14

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摘要

本试验通过间接测热法结合套算法测定爱拔益加（AA）肉鸡对不同玉米蛋白粉原料的有效能值并建立基于理化指标的净能预测方程。选取24日龄体重为（1 150±30）g的AA肉鸡60只，随机分为5个组（1个玉米-豆粕型基础饲粮组和4个玉米蛋白粉替代比例为20%的试验饲粮组），每组6个重复，每个重复2只鸡。试验期为7 d，其中预试期3 d，27日龄时转入呼吸测热室适应1 d，28日龄开始3 d正试期。结果表明：1）28~31日龄肉鸡对4种玉米蛋白粉原料的表观代谢能（AME）分别为17.61、19.22、18.56和18.28 MJ/kg DM，净能（NE）分别为9.64、10.29、7.59和11.71 MJ/kg DM，NE/AME分别为55.38%、53.49%、41.18%和64.39%。2）玉米蛋白粉原料NE预测方程为NE=14.575-5.99×粗纤维+2.716×粗灰分（R2=0.988，P<0.01）；NE预测值平均值为9.80 MJ/kg DM，实测平均值为9.81 MJ/kg DM，平均差值为0.01 MJ/kg DM，相对标准偏差为0.07%。由此可见，本试验NE预测值与实测值接近，且变异性小，构建的肉鸡NE预测方程准确性较好。

关键词： 肉鸡; 玉米蛋白粉; 净能; 预测方程

本文引用格式

徐莹 , 班志彬 , 梁浩 , 赵晓东 , 李立佳 , 瞿子惠 , 闫晓刚 , 燕磊 , 刘燕 , 陈弟刚 . 肉鸡玉米蛋白粉有效能值的测定及净能预测模型的构建[J]. 动物营养学报, 2022 , 34(7) : 4302 -4312 . DOI: 10.3969/j.issn.1006-267x.2022.07.021

Abstract

In this study, the effective energy values of different corn gluten meals for Arbor Acre (AA) broilers were determined by indirect calorimetry combined with substitution method, and the net energy prediction equation based on physicochemical indexes of corn gluten meal was established. A total of 60 AA broilers of 24-day-old with the body weight of (1 150±30) g were randomly divided into 5 groups (1 corn-soybean meal basal diet group and 4 experimental diet groups with 20% replacement ratio of corn gluten meal) with 6 replicates per group and 2 broilers per replicate. The trial period lasted for 7 days, and the pre-trial period lasted for 3 days. At 27 days of age, the birds were transferred to the respiratory calorimetry chamber for 1 day, and the formal trial period of 3 days began at 28 days of age. The results showed as follows:1) the apparent metabolizable energy (AME) of the four corn gluten meals of broilers aged from 28 to 31 days was 17.61, 19.22, 18.56 and 18.28 MJ/kg DM, respectively; the net energy (NE) was 9.64, 10.29, 7.59 and 11.71 MJ/kg DM, respectively; and the NE/AME was 55.38%, 53.49%, 41.18% and 64.39%, respectively. 2) The NE prediction equation of corn gluten meal ingredient was NE=14.575-5.99×crude fibre+2.716×ash (R2=0.988, P<0.01); the mean of NE predicted value was 9.80 MJ/kg DM, the mean of NE measured value was 9.81 MJ/kg DM, the mean difference was 0.01 MJ/kg DM, and the relative standard deviation was 0.07%. In conclusion, the NE predicted value is close to the measured value, and the coefficient of variation is small, so the prediction equation of NE in broilers has better accuracy.

Key words： broilers; corn gluten meal; net energy; prediction equation

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