樱桃谷鸭对不同地区玉米胚芽粕能量、蛋白质和氨基酸利用率的研究

doi:10.16431/j.cnki.1671-7236.2025.05.019

中国畜牧兽医 ›› 2025, Vol. 52 ›› Issue (5): 2149-2156.doi: 10.16431/j.cnki.1671-7236.2025.05.019

• 营养与饲料 • 上一篇

樱桃谷鸭对不同地区玉米胚芽粕能量、蛋白质和氨基酸利用率的研究

王皓芸^1,2, 王胜林², 金成龙², 张亚男², 夏伟光², 陈伟², 黄雪冰², 李凯潮², 郑春田², 王爽²

1. 仲恺农业工程学院动物科技学院, 广州 510225;
2. 广东省农业科学院动物科学研究所, 猪禽种业全国重点实验室, 农业农村部华南动物营养与饲料重点实验室, 广东省动物育种与营养公共实验室, 广东省畜禽育种与营养研究重点实验室, 广州 510640

收稿日期:2024-09-09 发布日期:2025-04-27
通讯作者: 郑春田, 王爽 E-mail:zhengcht@163.com;wangshuang_730@163.com
作者简介:王皓芸，E-mail:2651805474@qq.com；王胜林，E-mail:280824055@qq.com。王皓芸和王胜林对本文具有同等贡献，并列为第一作者。
基金资助:
国家重点研发专项(2022YFD1300502);广东省水禽产业技术体系(2023KJ137);猪禽种业全国重点实验室(ZQQZ53);广东省农业农村厅乡村振兴战略专项资金

Study on Energy,Protein and Amino Acid Utilization of Corn Germ Meal from Different Regions by Cherry Valley Ducks

WANG Haoyun^1,2, WANG Shenglin², JIN Chenglong², ZHANG Yanan², XIA Weiguang², CHEN Wei², HUANG Xuebing², LI Kaichao², ZHENG Chuntian², WANG Shuang²

1. College of Animal Science, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China;
2. Institute of Animal Science, Guangdong Academy of Agricultural Sciences, National Key Laboratory of Pig and Poultry Breeding, Key Laboratory of Animal Nutrition and Feed Science (South China) of Ministry of Agriculture and Rural Affairs, Guangdong Public Laboratory of Animal Breeding and Nutrition, Guangdong Key Laboratory of Animal Breeding and Nutrition, Guangzhou 510640, China

Received:2024-09-09 Published:2025-04-27

摘要/Abstract

摘要： 【目的】研究樱桃谷鸭对不同地区玉米胚芽粕能量、蛋白质和氨基酸的利用率。【方法】将70只健康、体重3.25 kg±0.25 kg的18周龄成年樱桃谷公鸭，随机分为5组，每组14个重复，每个重复1只鸭，单笼饲养。3个试验组鸭强饲分别从辽宁、山东和河南采集的玉米胚芽粕与玉米淀粉按7∶3配制成的试验饲粮，玉米淀粉组的饲粮为100%玉米淀粉，内源组为禁食组。采用排空强饲试验，收集鸭的全部排泄物，测定强饲饲料及排泄物的总能、粗蛋白质和氨基酸含量。【结果】辽宁、山东玉米胚芽粕的总能低于河南玉米胚芽粕，但粗蛋白质含量高于河南玉米胚芽粕。樱桃谷鸭对辽宁玉米胚芽粕的表观代谢能和真代谢能显著高于河南玉米胚芽粕(P＜0.05)；对辽宁和山东玉米胚芽粕的天冬氨酸、苏氨酸、亮氨酸、苯丙氨酸、赖氨酸、组氨酸、精氨酸真可利用率均显著低于河南玉米胚芽粕(P＜0.05)；对河南玉米胚芽粕中的7种必需氨基酸(苏氨酸、蛋氨酸、亮氨酸、苯丙氨酸、赖氨酸、组氨酸、精氨酸)和5种非必需氨基酸(天冬氨酸、丝氨酸、谷氨酸、甘氨酸、脯氨酸)真可利用率高于其他两个地区。【结论】樱桃谷鸭对不同地区玉米胚芽粕的能量和氨基酸利用率差异较大，而对蛋白质利用率差异较小。樱桃谷鸭对不同地区玉米胚芽的能量利用率排序为：山东＞辽宁＞河南，粗蛋白质利用率排序为：辽宁＞山东＞河南，氨基酸利用率排序为：河南＞辽宁＞山东。

关键词: 樱桃谷鸭; 玉米胚芽粕; 代谢能; 粗蛋白质真利用率; 氨基酸真可利用率

Abstract: 【Objective】 To explore the utilization of energy,protein,and amino acid of corn germ meal from different regions for Cherry Valley ducks.【Method】 Seventy healthy Cherry Valley ducks weighted 3.25 kg±0.25 kg at 18 weeks of age were randomly divided into 5 groups.14 ducks were in each group,and 1 duck per replicate.They were raised individually in cages.The ducks in 3 experimental groups were fed the diets with corn germ meal and corn starch at a ratio of 7∶3,and the corn germ meal were collected from Liaoning,Shandong,and Henan provinces,respectively.The ducks in corn starch group were fed on the 100% corn starch diet,while in endogenous group was fed nothing.Force-feeding test were carried out,with all the excrement collected.Additionally,gross energy(GE),crude protein(CP),and the amino acid concent of the diet and excreta were measured.【Result】 The GE of corn germ meal from Liaoning and Shandong provinces was higher than Henan province,while the CP content of corn germ meal from Liaoning and Shandong provinces was lower than that from Henan province.The apparently metabolizable energy and true metabolizable energy of corn germ meal from Liaoning province were significantly higher than those from Henan province (P＜0.05).The true digestibility of aspartic acid,threonine,leucine,phenylalanine,lysine,histidine,and arginine of corn germ meal from Liaoning and Shandong provinces were significantly lower than those from Henan province (P＜0.05).The true digestibility of seven essential amino acids (threonine,methionine,leucine,phenylalanine,lysine,histidine,and arginine) and five non-essential amino acids(aspartic acid,serine,glutamic acid,glycine,and proline) of corn germ meal from Henan province was higher than those from the other two regions.【Conclusion】 There were significant differences in the energy and amino acid utilization of Cherry Valley ducks of corn germ meal among different regions,while the difference in protein utilization was small.The utilization of energy of Cherry Valley ducks was in the following order:Shandong＞Liaoning＞Henan.The utilization of crude protein by Cherry Valley ducks was in the following order:Liaoning＞Shandong＞Henan.And the utilization of amino acid by Cherry Valley ducks was in the following order:Henan＞Liaoning＞Shandong.

Key words: Cherry Valley ducks; corn germ meal; metabolizable energy; true availability of crude protein; true availability of amino acids

中图分类号:

S834

王皓芸, 王胜林, 金成龙, 张亚男, 夏伟光, 陈伟, 黄雪冰, 李凯潮, 郑春田, 王爽. 樱桃谷鸭对不同地区玉米胚芽粕能量、蛋白质和氨基酸利用率的研究[J]. 中国畜牧兽医, 2025, 52(5): 2149-2156.

WANG Haoyun, WANG Shenglin, JIN Chenglong, ZHANG Yanan, XIA Weiguang, CHEN Wei, HUANG Xuebing, LI Kaichao, ZHENG Chuntian, WANG Shuang. Study on Energy,Protein and Amino Acid Utilization of Corn Germ Meal from Different Regions by Cherry Valley Ducks[J]. China Animal Husbandry and Veterinary Medicine, 2025, 52(5): 2149-2156.

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樱桃谷鸭对不同地区玉米胚芽粕能量、蛋白质和氨基酸利用率的研究

Study on Energy,Protein and Amino Acid Utilization of Corn Germ Meal from Different Regions by Cherry Valley Ducks

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