大米加工副产物对宁乡猪生长性能、胴体品质、肉品质及肠道黏膜形态的影响

龙际飞; 龙次民; 樊祥宇; 陈福; 赵玉蓉; 贺建华

doi:10.3969/j.issn.1006-267x.2020.01.014

动物营养学报 >

2020 , Vol. 32 >Issue 1: 92 - 98

DOI: https://doi.org/10.3969/j.issn.1006-267x.2020.01.014

猪营养与饲料 SWINE NUTRITION AND FEED

大米加工副产物对宁乡猪生长性能、胴体品质、肉品质及肠道黏膜形态的影响

龙际飞 ,
龙次民 ,
樊祥宇 ,
陈福 ,
赵玉蓉 ,
贺建华

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1. 湖南农业大学动物科技学院, 长沙 410128;
2. 湖南畜禽安全生产协同创新中心, 长沙 410128;
3. 中国科学院亚热带农业生态研究所, 中国科学院亚热带农业生态过程重点实验室, 湖南省畜禽健康养殖工程技术研究中心, 长沙 410125

龙际飞(1980-),男,湖南邵阳人,博士研究生,从事地方猪种肉品质研究。E-mail:89661511@qq.com

收稿日期: 2019-07-07

网络出版日期: 2020-01-19

基金资助

宁乡县政府委托项目（10073）；湖南省生猪产业技术体系岗位专家专项经费

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Effects of Rice By-Products on Growth Performance, Carcass Traits, Meat Quality and Intestinal Mucosal Morphology of Ningxiang Pigs

LONG Jifei ,
LONG Cimin ,
FAN Xiangyu ,
CHEN Fu ,
ZHAO Yurong ,
HE Jianhua

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1. College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China;
2. Hunan Co-Innovation Center of Safety Animal Production, Changsha 410128, China;
3. Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China

Received date: 2019-07-07

Online published: 2020-01-19

Supported by

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摘要

本试验旨在研究大米加工副产物（碎米和米糠）对宁乡猪生长性能、胴体品质、肉品质及肠道黏膜形态的影响。选择体重（17.0±2.0）kg的生长肥育宁乡猪48头，随机分为2组，每组4个重复，每个重复6头，公母各1/2。2组试验猪分别饲喂玉米-豆粕型饲粮（对照组）和碎米-米糠型饲粮（试验组），饲粮营养水平相同。试验期为180 d。结果表明：1）与对照组相比，试验组平均日采食量提高了13.76%（P>0.05），平均日增重提高了23.38%（P<0.01），料重比降低了8.35%（P<0.05）。2）与对照组相比，试验组胴体斜长增加了15.61%（P<0.05），胴体直长增加了11.48%（P<0.05），2组之间其他胴体品质指标均无显著差异（P>0.05）。3）2组之间肉品质指标均无显著差异（P>0.05）。4）与对照组相比，试验组回肠绒毛高度提高了13.13%（P<0.05）。综上，大米加工副产物碎米、米糠取代宁乡猪商品饲粮中的玉米、豆粕，不仅可以提高宁乡猪的生长性能，并且可以促进宁乡猪肠道发育。

关键词： 大米加工副产物; 宁乡猪; 生长性能; 胴体品质; 肉品质

本文引用格式

龙际飞 , 龙次民 , 樊祥宇 , 陈福 , 赵玉蓉 , 贺建华 . 大米加工副产物对宁乡猪生长性能、胴体品质、肉品质及肠道黏膜形态的影响[J]. 动物营养学报, 2020 , 32(1) : 92 -98 . DOI: 10.3969/j.issn.1006-267x.2020.01.014

Abstract

This experiment was conducted to study the effects of rice by-products (broken rice and rice bran) on growth performance, carcass traits, meat quality and intestinal mucosal morphology of Ningxiang pigs. Forty-eight growing Ningxiang pigs with body weight of (17.0±2.0) kg were randomly divided into 2 groups with 4 replicates in each group and 6 pigs in each replicate, half male and half female. Pigs in the 2 groups were fed the corn-soybean diet (control group) and broken rice-rice bran diet (experimental group), respectively. Dietary nutrient levels were similar, and the experiment lasted for 180 days. The results showed as follows:1) compared with the control group, the average daily feed intake of experimental group was increased by 13.76% (P>0.05), the average daily gain was significantly increased by 23.38% (P<0.01), and the feed to gain ratio was significantly decreased by 8.35% (P<0.05). 2) Compared with the control group, the carcass oblique length of experimental group was increased significantly by 15.61% (P<0.05), the carcass straight length was significantly increased by 11.48% (P<0.05), and there were no significant differences in other carcass traits between the two groups (P>0.05). 3) There were no significant differences in meat quality indexes between the two groups (P>0.05). 4) Compared with the control group, the ileal villus height of experimental group was significantly increased by 13.13% (P<0.05). In conclusion, the replacement of corn and soybean meal in the Ningxiang pig commodity diet by broken rice and rice bran can improve the growth performance and promote the development of intestinal tract.

Key words： rice by-products; Ningxiang pigs; growth performance; carcass traits; meat quality

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