维生素B2对5~16周龄五龙鹅屠宰性能、肌肉品质及脂肪代谢的影响

王鑫; 王宝维; 葛文华; 张名爱; 岳斌; 徐晨晨; 张雪君

doi:10.3969/j.issn.1006-267x.2014.01.014

动物营养学报 >

2014 , Vol. 26 >Issue 1: 98 - 105

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.01.014

禽营养 Poultry Nutrition

维生素B₂对5~16周龄五龙鹅屠宰性能、肌肉品质及脂肪代谢的影响

王鑫 ,
王宝维 ,
葛文华 ,
张名爱 ,
岳斌 ,
徐晨晨 ,
张雪君

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1. 青岛农业大学优质水禽研究所, 青岛 266109;
2. 青岛农业大学食品科学与工程学院, 青岛 266109

收稿日期: 2013-08-12

网络出版日期: 2013-12-24

基金资助

国家水禽产业技术体系专项基金（CARS-43-11）

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Effects of Vitamin B₂ on Slaughter Performance, Meat Quality and Fat Metabolism of Wulong Geese Aged from 5 to 16 Weeks

WANG Xin ,
WANG Baowei ,
GE Wenhua ,
ZHANG Ming ,
YUE Bin ,
XU Chenchen ,
ZHANG Xuejun

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1. Institute of High Quality Waterfowl, Qingdao Agricultural University, Qingdao 266109, China;
2. College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China

Received date: 2013-08-12

Online published: 2013-12-24

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摘要

本试验旨在研究维生素B₂对5~16周龄五龙鹅屠宰性能、肌肉品质及脂肪代谢的影响，以确定鹅饲粮中维生素B₂的适宜添加水平。试验选用29日龄五龙鹅360只，随机分为6个组，每组6个重复，每个重复10只。Ⅰ组为对照组，饲喂基础饲粮（维生素B₂含量为2.47 mg/kg），Ⅱ~Ⅵ组分别饲喂在基础饲粮中添加2.5、5.0、10.0、20.0、40.0 mg/kg维生素B₂的试验饲粮。试验期12周。结果表明：1）Ⅲ组屠宰率、胸肌率、腿肌率均显著高于Ⅰ组（P<0.05），腹脂率显著低于Ⅰ组（P<0.05）。采用不相关比较法进行分析，饲粮维生素B₂添加水平为5.73 mg/kg时屠宰率最大。2）Ⅲ组肌肉亮度（L^*）值和红度（a^*）值显著高于Ⅰ组（P<0.05），剪切力显著低于Ⅰ组（P<0.05）。3）Ⅲ组血清甘油三酯（TG）、总胆固醇（TCH）含量极显著低于Ⅰ组（P<0.01）。4）屠宰率与a^*值和剪切力呈显著相关性（P<0.05）；屠宰性能与TG、TCH含量呈显著或极显著相关性（P<0.05或P<0.01）。由此可见，饲粮添加5.0 mg/kg维生素B₂对5~16周龄五龙鹅的屠宰率、胸肌率、腿肌率、腹脂率、L^*值、a^*值、剪切力及TG和TCH含量有显著影响，建议饲粮维生素B₂适宜添加水平为5.73 mg/kg。

关键词： 维生素B₂; 五龙鹅; 屠宰性能; 肌肉品质; 脂肪代谢

本文引用格式

王鑫 , 王宝维 , 葛文华 , 张名爱 , 岳斌 , 徐晨晨 , 张雪君 . 维生素B₂对5~16周龄五龙鹅屠宰性能、肌肉品质及脂肪代谢的影响[J]. 动物营养学报, 2014 , 26(1) : 98 -105 . DOI: 10.3969/j.issn.1006-267x.2014.01.014

Abstract

This experiment was conducted to study the effects of vitamin B₂ on slaughter performance, meat quality and fat metabolism of Wulong geese aged from 5 to 16 weeks, and to find the appropriate supplemental level of the vitamin B₂. A total of 360 Wulong geese (29-day-old) were randomly divided into 6 groups with 6 replicates per group and 10 geese per replicate. Geese in the group Ⅰ (control group) were fed a basal diet, and geese in groups Ⅱ to Ⅵ (experimental groups) were fed the basal diet supplemented with 2.5, 5.0, 10.0, 20.0 and 40.0 mg/kg vitamin B₂, respectively. The experiment lasted for 12 weeks. The results showed as follows: 1) the dressed percentage, percentage of breast muscle and percentage of leg muscle in group Ⅲ were significantly higher than those in group Ⅰ (P<0.05), but the percentage of abdominal fat was significantly lower than that in group Ⅰ (P<0.05). Using unrelated comparative analysis method, when the dietary vitamin B₂ level was 5.73 mg/kg, the dressed percentage reached the highest. 2) The lightness (L^*) and red (a^*) values in group Ⅲ were significantly higher than those in group Ⅰ (P<0.05), but the shear force was significantly lower than that in group Ⅰ (P<0.05). 3) The contents of triglyceride and total cholesterol in group Ⅲ were significantly lower than those in group Ⅰ (P<0.01). 4) Dressed percentage had significant correlations with the a^* value and shear force (P<0.05), respectively; the slaughter performance had significant correlations with the contents of triglycerides and total cholesterol (P<0.05 or P<0.01),respectively. In conclusion, adding 5.0 mg/kg vitamin B₂ can significantly affect the dressed percentage, percentage of breast muscle, percentage of leg muscle, percentage of abdominal fat, L^* value, a^* value, shear force and contents of triglyceride and total cholesterol, the suggested dietary vitamin B₂ optimal supplemental level is 5.73 mg/kg.

Key words： vitamin B₂; Wulong geese; slaughter performance; meat quality; fat metabolism

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