饲粮不同谷氨酸和天冬氨酸水平对仔猪器官指数、血清生化指标和激素含量的影响

黎育颖, 韩慧, 王倩, 李春勇, 姚继明, 邓近平, 范文君, 李铁军

doi:10.3969/j.issn.1006-267x.2018.04.013

动物营养学报 >

2018 , Vol. 30 >Issue 4: 1303 - 1310

DOI: https://doi.org/10.3969/j.issn.1006-267x.2018.04.013

猪营养 Swine Nutrition

饲粮不同谷氨酸和天冬氨酸水平对仔猪器官指数、血清生化指标和激素含量的影响

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1. 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, 湖南省畜禽健康养殖工程技术研究中心, 农业部中南动物营养与饲料科学观测实验站, 长沙 410125;
2. 中国科学院大学, 北京 100039;
3. 湖南农业大学动物科技学院, 长沙 410125;
4. 广东旺大集团猪清洁饲料技术研发院士工作站, 广州 510663;
5. 华南农业大学动物科学学院, 广州 510642;
6. 湖南畜禽安全生产协同创新中心, 长沙 410128

黎育颖(1992-),女,湖南岳阳人,硕士研究生,研究方向为动物营养与饲料科学。E-mail:13651062526@163.com

收稿日期: 2017-09-30

网络出版日期: 2018-04-03

基金资助

国家973课题（2013CB127301）；国家自然科学基金面上项目（31472106，31272463）；中国农业研究系统（CARS-35）；湖南省重点研发计划项目（2017NK2321）

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Effects of Dietary Different Glutamate and Aspartate Levels on Organ Indexes, Serum Biochemical Parameters and Hormone Contents of Piglets

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1. Key Laboratory of Agri-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences;National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Changsha 410125, China;
2. University of Chinese Academy of Sciences, Beijing 100039, China;
3. Department of Animal Science, Hunan Agriculture University, Changsha 410125, China;
4. Guangdong Wangda Group Academician Workstation for Clean Feed Technology Research and Development in Swine, Guangzhou 510663, China;
5. College of Animal Science of South China Agricultural University, Guangzhou 510642, China;
6. Hunan Co-Innovation Center of Animal Production Safety, Changsha 410128, China

Received date: 2017-09-30

Online published: 2018-04-03

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摘要

本试验旨在研究饲粮不同谷氨酸和天冬氨酸水平对仔猪器官指数、血清生化指标和激素含量的影响。选取42头35日龄健康三元（杜×长×大）杂交断奶仔猪，随机分为6组，每组7个重复，每个重复1头猪。对照组（NC组）饲粮谷氨酸和天冬氨酸水平分别为2.9%和1.5%，其余各组在NC组的基础上调整饲粮谷氨酸和天冬氨酸水平分别为2.9%和1.3%（LA组）、2.9%和1.7%（HA组）、2.6%和1.5%（LG组）、3.2%和1.5%（HG组）、3.5%和1.5%（HHG组）。试验期为21 d。于试验结束时测定仔猪器官指数、血清生化指标和激素含量。结果表明：1）饲粮不同谷氨酸和天冬氨酸水平对仔猪各器官指数均无显著影响（P>0.05）。2）LA组和NC组血清甘油三酯含量显著低于HA组（P<0.05），HG组和HHG组血清甘油三酯含量显著低于LG组（P<0.05），LG组血清白蛋白含量显著低于NC组和HG组（P<0.05），LG组和HG组血清葡萄糖含量显著低于HHG组（P<0.05）。3）HA组血清胃抑素含量显著低于LA组（P<0.05），LG组和HG组血清胰岛素含量显著高于HHG组（P<0.05），LG组和HG组血清胰高血糖素含量显著低于HHG组（P<0.05），LG组和NC组血清生长激素含量显著低于HHG组（P<0.05）。由此可见，饲粮不同谷氨酸和天冬氨酸水平影响了仔猪血清生化指标和激素含量，但是对器官发育无显著影响。

关键词： 酸性氨基酸; 谷氨酸; 天冬氨酸; 仔猪; 器官指数; 血清生化指标; 激素

本文引用格式

黎育颖, 韩慧, 王倩, 李春勇, 姚继明, 邓近平, 范文君, 李铁军 . 饲粮不同谷氨酸和天冬氨酸水平对仔猪器官指数、血清生化指标和激素含量的影响[J]. 动物营养学报, 2018 , 30(4) : 1303 -1310 . DOI: 10.3969/j.issn.1006-267x.2018.04.013

Abstract

The aim of this study was to investigate the effects of dietary different glutamate and aspartate levels on organ indexes, serum biochemical parameters and hormone contents of piglets. Forty-two healthy crossbred weaned piglets (Duroc×Landrace×Yorkshire) were randomly divided into 6 groups with 7 replicates per group and 1 pig per replicate. Dietary glutamate and aspartate levels in the control group (NC group) were 2.9% and 1.5%, respectively; and dietary glutamate and aspartate levels in other groups were adjusted to 2.9% and 1.3% (LA group), 2.9% and 1.7% (HA group), 2.6% and 1.5% (LG group), 3.2% and 1.5% (HG group), 3.5% and 1.5% (HHG group) based on NC group diet, respectively. The experiment lasted for 21 days. The organ indexes, serum biochemical parameters and hormone contents were measured at the end of the experiment. The results showed as follows:1) dietary different glutamate and aspartate levels had no significant effects on organ indexes of piglets (P>0.05). 2) The serum triglyceride content of LA group and NC group was significantly lower than that of HA group (P<0.05), the serum triglyceride content of HG group and HHG group was significantly lower than that of LG group (P<0.05), the serum albumin content of LG group was significantly lower than that of NC group and HG group (P<0.05), the serum glucose content of LG group and HG group was significantly lower than that of HHG group (P<0.05). 3) The serum gastric inhibitory polypeptide content of HA group was significantly lower than that of LA group (P<0.05), the serum insulin content of LG group and HG group was significantly higher than that of HHG group (P<0.05), the serum glucagon content of LG group and HG group was significantly lower than that of HHG group (P<0.05), the serum growth hormone content of LG group and NC group was significantly lower than that of HHG group (P<0.05). It is concluded that dietary different glutamate and aspartate levels affect serum biochemical parameters and hormone contents, while has no significant effects on organ development of piglets.

Key words： acid amino acids; glutamate; aspartate; piglets; organ indexes; serum biochemical parameters; hormone

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