动物营养学报 >

2019 , Vol. 31 >Issue 2: 622 - 628

DOI: https://doi.org/10.3969/j.issn.1006-267x.2019.02.018

猪与禽营养 Swine and poultry nutrition

溆浦鹅和朗德鹅肥肝营养成分和血清生化指标的比较

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  • 1. 湖南农业大学动物科学技术学院, 长沙 410128;
    2. 湖南畜禽安全生产协同创新中心, 长沙 410128
柳序(1993-),女,湖南岳阳人,博士研究生,研究方向为家禽分子营养。E-mail:695837025@qq.com

收稿日期: 2018-07-24

  网络出版日期: 2019-02-18

基金资助

湖南省重点研发计划——农业领域技术创新项目（2016NK2106）

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Comparison of Nutritional Components and Serum Biochemical Indices in Fatty Liver between Xupu Geese and Landes Geese

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  • 1. College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China;
    2. Hunan Co-Innovation Center of Animal Production Safety, Changsha 410128, China

Received date: 2018-07-24

  Online published: 2019-02-18

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摘要

本试验旨在比较溆浦鹅和朗德鹅肥肝营养成分和血清生化指标的差异。选取同批孵化并在相同饲养管理条件下的85日龄溆浦鹅（体重5 200 g）和朗德鹅（体重4 640 g）各60只，按品种分为2组，每组20个重复，每个重复3只。预饲5 d，填饲21 d。测定溆浦鹅和朗德鹅体重、肝脏重、腹脂重、肝脏中氨基酸和脂肪酸组成及血清生化指标。结果表明：1）溆浦鹅的末重和腹脂重显著高于朗德鹅（P<0.05），溆浦鹅和朗德鹅之间初重、体增重率、肝脏重、肝体比、饲料消耗量和料肝比无显著差异（P>0.05）。2）溆浦鹅和朗德鹅的肝脏中氨基酸组成一致，且各种氨基酸含量均无显著差异（P>0.05）。3）溆浦鹅的肝脏中不饱和脂肪酸含量极显著高于朗德鹅（P<0.01），其中反油酸甲酯、顺-11-二十碳烯酸甲酯和二十二碳六烯酸甲酯含量显著或极显著高于朗德鹅（P<0.05或P<0.01）；而溆浦鹅的肝脏中饱和脂肪酸含量极显著低于朗德鹅（P<0.01），其中棕榈酸甲酯含量极显著低于朗德鹅（P<0.01）。4）溆浦鹅的血清中甘油三酯、总胆固醇、低密度脂蛋白胆固醇含量和谷草转氨酶活性显著或极显著高于朗德鹅（P<0.05或P<0.01）。溆浦鹅和朗德鹅之间血清中高密度脂蛋白胆固醇含量和碱性磷酸酶、谷丙转氨酶活性无显著差异（P>0.05）。综上所述，朗德鹅产肝性能和肝脏脂肪沉积能力在一定程度上优于溆浦鹅，但溆浦鹅肝脏中不饱和脂肪酸含量显著高于朗德鹅，更有利于人类的健康。

关键词： 溆浦鹅; 朗德鹅; 肥肝; 营养成分; 生化指标

本文引用格式

柳序, 刘耀文, 贺长青, 郭松长, 蒋隽, 曲湘勇 . 溆浦鹅和朗德鹅肥肝营养成分和血清生化指标的比较[J]. 动物营养学报, 2019 , 31(2) : 622 -628 . DOI: 10.3969/j.issn.1006-267x.2019.02.018

Abstract

This experiment was conducted to compare the differences of nutritional components and serum biochemical indices in fatty liver between Xupu geese and Landes geese. Sixty 85-day-old Xupu geese (body weight 5 200 g) and Landes geese (body weight 4 640 g) in the same batch and the same breeding conditions were selected and divided into 2 groups according to the variety, each group contained 20 replicates with 3 geese per replicate. After 5 days of pre-feeding, geese were overfed for 21 days. The body weight, liver weight, abdominal fat weight, the composition of amino acids and fatty acids in liver and serum biochemical indices of Xupu geese and Landes geese were determined. The results showed as follows:1) the final weight and abdominal fat weight of Xupu geese were significantly higher than those of Landes geese(P<0.05). There were no significant differences in initial weight, body weight gain rate, liver weight, liver to body ratio, feed consumption and feed to liver ratio between Xupu geese and Landes geese (P>0.05). 2) The composition of amino acids in liver was the same and had significant differences between Xupu geese and Landes geese (P>0.05). 3) The contents of unsaturated fatty acids in liver of Xupu geese were significantly higher than those of Landes geese(P<0.01), among them, the contents of methyl oleate, methyl cis-11-eicosate and methyl docosahexaenoate were significantly higher than those of Landes geese (P<0.05 or P<0.01). However, the contents of saturated fatty acids in liver of Xupu geese were significantly lower than those of Landes geese (P<0.01), among them, the content of methyl palmitate of Xupu geese was significantly lower than that of Landes geese (P<0.01). 4) The triglyceride, total cholesterol, low-density lipoprotein cholesterol contents and aspartate aminotransferase activity in serum of Xupu geese were significantly higher than those of Landes geese (P<0.05 or P<0.01). There were no significant differences in high-density lipoprotein cholesterol content and alkaline phosphatase, alanine aminotransferase activities between Xupu geese and Landes geese (P>0.05). In summary, overfeeding under high temperature has a greater impact on the production of geese fat liver; the liver production performance and liver fat deposition ability of Landes geese are better than those of Xupu geese to some extent, but the contents of unsaturated fatty acids in liver of Xupu geese are significantly higher than those of Landes geese, which is more benefit to human health.

Key words： Xupu geese; Landes geese; fatty liver; nutritional components; biochemical indices

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