动物营养学报 >

2018 , Vol. 30 >Issue 9: 3483 - 3493

DOI: https://doi.org/10.3969/j.issn.1006-267x.2018.09.018

禽营养 Poultry nutrition

小麦-豆粕型饲粮中亚油酸水平对雏鹅生长性能、脂类代谢、抗氧化功能及免疫机能的影响

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  • 青岛农业大学优质水禽研究所, 国家水禽产业技术体系营养与饲料功能研究室, 青岛 266109
葛文华(1961-),女,山东莱州人,高级工程师,研究方向为家禽营养与保健。E-mail:wangbw1959@qq.com

收稿日期: 2018-03-07

  网络出版日期: 2018-09-20

基金资助

国家水禽产业技术体系专项基金（CARS-43-11）；山东省良种工程（12-1-3-17-nsh）

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Effects of Linoleic Acid Level in Wheat and Soybean Meal Type Diet on Growth Performance, Lipid Metabolism, Antioxidant Capacity and Immune Function of Goslings

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  • Nutrition and Feed Laboratory of China Agriculture Research System, Institute of High Quality Waterfowl, Qingdao Agricultural University, Qingdao 266109, China

Received date: 2018-03-07

  Online published: 2018-09-20

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摘要

本试验通过研究小麦-豆粕型饲粮中亚油酸水平对雏鹅生长性能、脂类代谢、抗氧化功能及免疫机能的影响，旨在进一步探索小麦-豆粕型饲粮中亚油酸适宜水平。试验选用1日龄五龙鹅360只，随机分为6组，每组6个重复，每个重复10只鹅（公母各1/2）。Ⅰ组（对照组）饲喂亚油酸水平为0.52%的基础饲粮，试验组（Ⅱ~Ⅵ组）饲喂亚油酸水平分别为0.72%、0.92%、1.12%、1.32%和1.52%的试验饲粮。试验期4周。结果表明：1）各试验组体重（BW）、平均日增重（ADG）、料重比（F/G）均优于对照组，饲粮中亚油酸水平为1.12%时BW最大，F/G最低。2）Ⅳ、Ⅴ组血清总胆固醇（TCH）含量极显著低于对照组（P<0.01），Ⅳ、Ⅴ组血清甘油三酯（TG）含量显著低于对照组（P<0.05），Ⅳ、Ⅴ组血清高密度脂蛋白胆固醇（HDL-C）含量极显著高于对照组（P<0.01），Ⅳ组血清低密度脂蛋白胆固醇（LDL-C）含量显著低于对照组（P<0.05）。3）Ⅵ组血清和肝脏中的总抗氧化能力（T-AOC）及总超氧化物歧化酶（T-SOD）、谷胱甘肽过氧化物酶（GSH-Px）活性极显著高于对照组（P<0.01）。4）Ⅳ组法氏囊指数极显著高于对照组（P<0.01），Ⅲ组血清免疫球蛋白G（IgG）含量显著高于对照组（P<0.05）；免疫14 d后，Ⅲ组禽流感抗体滴度极显著高于对照组（P<0.01）。由此可见，小麦-豆粕型饲粮中亚油酸水平对雏鹅生长性能、脂类代谢、抗氧功能及免疫机能有显著影响；综合分析得出，小麦-豆粕型雏鹅饲粮中亚油酸适宜水平为1.12%。

关键词： 亚油酸; 雏鹅; 生长性能; 脂类代谢; 抗氧化功能; 免疫机能

本文引用格式

葛文华, 王宝维, 张洋洋, 龙建华, 史雪萍, 张名爱, 岳斌 . 小麦-豆粕型饲粮中亚油酸水平对雏鹅生长性能、脂类代谢、抗氧化功能及免疫机能的影响[J]. 动物营养学报, 2018 , 30(9) : 3483 -3493 . DOI: 10.3969/j.issn.1006-267x.2018.09.018

Abstract

This experiment was conducted to study the effects of linoleic acid level in wheat and soybean meal type diet on growth performance, lipid metabolism, antioxidant capacity and immune function of goslings, and to further explore the appropriate linoleic acid level in wheat and soybean meal type diet. A total of 360 one-day-old Wulong geese were randomly divided into 6 groups with 6 replicates per group and 10 geese (half male and half female) per replicate. Geese in group Ⅰ (control group) were fed a basal diet (linoleic acid level was 0.52%), and geese in experimental groups (groups Ⅱ to Ⅵ) were fed experimental diets (linoleic acid level were 0.72%, 0.92%, 1.12%, 1.32% and 1.52%, respectively). The experiment lasted for 4 weeks. The results showed as follows:1) the body weight (BW), average daily gain (ADG) and feed to gain ratio (F/G) in experimental groups were all better than those in the control group. When the dietary linoleic acid level was 1.12%, the BW was the largest and the F/G was the lowest. 2) The serum total cholesterol (TCH) content in groups Ⅵ and Ⅴ was significantly lower than that in the control group (P<0.01), the serum triglyceride (TG) content in groups Ⅳ and Ⅴ was significantly lower than that in the control group (P<0.05), the serum high density lipoproteins-cholesterol (HDL-C) content in groups Ⅳ and Ⅴ was significantly higher than that in the control group (P<0.01), the serum low density lipoprotein-cholesterol (LDL-C) content in group Ⅳ was significantly lower than that in the control group (P<0.05). 3) The total antioxidant capability (T-AOC) and the activities of total superoxide dismutase (T-SOD) and glutathione peroxidase (GSH-Px) in serum and liver were significantly higher than those in the control group (P<0.01). 4) The Bursa of Fabricius index in group Ⅳ was significantly higher than that in the control group (P<0.01), the serum immunoglobulin G (IgG) content in group Ⅲ was significantly higher than that in the control group (P<0.05), the antibody titer of avian influenza in group Ⅲ was significantly higher than that in the control group after immunization 14 days. In conclusion, the appropriate linoleic acid level in wheat and soybean meal type diet have significant effects on growth performance, lipid metabolism, antioxidant capacity and immune function of goslings. By the comprehensive analysis the optimal level of linoleic acid in wheat and soybean meal diet for goslings is 1.12%.

Key words： linoleic acid; goslings; growth performance; lipid metabolism; antioxidant capacity; immune function

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