山药对环江香猪营养物质消化代谢的影响

doi:A

天然产物研究与开发 ›› 2012, Vol. 24 ›› Issue (5): 672-676.doi: A

山药对环江香猪营养物质消化代谢的影响

周笑犁^1,2，刘星达¹，孔祥峰^1,3*，印遇龙^1,2

¹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；²南昌大学生命科学与食品工程学院，食品科学与技术国家重点实验室，南昌 330047；³中国科学院环江喀斯特农业生态试验站，环江 547100

收稿日期:2011-04-29 出版日期:2012-05-25 发布日期:2012-06-12
基金资助:
国家星火计划项目（2007EA790004），中国科学院亚热带农业生态研究所青年人才领域前沿项目（ISACX-LYQY-QN-0703）

Effects of Chinese Yam on Nutrient Metabolism in Huanjiang Mini-piglets

ZHOU Xiao-li^1,2, LIU Xing-da¹, KONG Xiang-feng^1,3*, YIN Yu-long^1,2

¹Key Laboratory for Agro-ecological Processes in Subtropical Region/Hunan Engineering and Research Center of Animal and Poultry Science, Institute of Subtropical Agriculture, the Chinese Academy of Sciences, Changsha 410125, China; ²State Key Laboratory of Food Science and Technology, College of Life Science and Food Engineering, Nanchang University, Nanchang 330047 China; ³Huanjiang Observation and Research Station for Karst Ecosystems, the Chinese Academy of Sciences, Huanjiang 547100, China

Received:2011-04-29 Online:2012-05-25 Published:2012-06-12

摘要/Abstract

摘要： 为了探讨山药对环江香猪营养物质消化代谢的影响，本研究选用体重为4.55±0.63 kg的环江香猪10头，随机分为2组，每组5头，单笼饲养，分别饲喂山药日粮和基础日粮，试验期为7 d。试验开始和结束时分别称取试验猪体重，记录日采食量；试验第5～7 d收集粪样，用TiO2指示剂法测定常规营养成分的消化率；试验第7 d采血分离血浆，分别用全自动生化分析仪和氨基酸分析仪测定生化指标和氨基酸含量。结果表明，与对照组相比，试验组平均日增重、重料比、粗蛋白、粗脂肪和干物质消化率均有所提高（P>0.05）；血浆尿素氮和血氨含量均显著降低、总蛋白含量显著升高（P<0.05），白蛋白、高密度脂蛋白和葡萄糖含量及碱性磷酸酶活性均有所升高（P>0.05）；血浆丙氨酸、甘氨酸、天冬氨酸、谷氨酸、苏氨酸和总氨基酸含量均显著升高（P<0.05）。上述结果提示，山药可改善环江香猪的消化代谢功能，这为开发环江香猪的绿色环保饲料提供了一定的科学依据。

关键词: 山药, 环江香猪, 消化代谢, 生化参数, 氨基酸

Abstract: This study was conducted to determine the effects of Chinese yam (CY) on nutrient digestibility and metabolism. Ten Huanjiang mini-piglets (4.55±0.63 kg) were used and randomly assigned into two groups (five replicates per group). The piglets were fed with a basal diet or CY diet for 7 days. Initial body weight (BW), daily feed intake and final BW were recorded; fecal samples were collected from Day 5 to Day 7 for determining the routine nutrient digestibility by TiO2 indicator; blood samples were collected at Day 7 for analysis of biochemical parameters and concentrations of amino acids by automatic biochemical analyzer and amino acid analyzer, respectively. Results showed that the average daily gain and ratio of gain to feed, and the apparent digestibility of crude protein, crude fat and dry matter, as well as the concentrations of HDL, GLU, ALB and activity of ALP of the experimental group increased (P>0.05), while the concentrations of SUN and AMM decreased (P<0.05), when compared with the control group. The concentrations of TP, Ala, Gly, Asp, Glu, Thr and total amino acids in piglets of the experimental group were higher (P<0.05) than that of the control group. The results suggested that the CY diet could improve digestive and metabolic function of piglets, which provide some scientific basis for the development of green feed in Huanjiang mini-piglets.

Key words: Chinese yam, Huanjiang mini-piglet, digestion and metabolism, biochemical parameter, amino acid

中图分类号: R284.2

周笑犁，刘星达，孔祥峰，印遇龙. 山药对环江香猪营养物质消化代谢的影响[J]. 天然产物研究与开发, 2012, 24(5): 672-676.

ZHOU Xiao-li, LIU Xing-da, KONG Xiang-feng, YIN Yu-long. Effects of Chinese Yam on Nutrient Metabolism in Huanjiang Mini-piglets[J]. NATURAL PRODUCT RESEARCH AND DEVELOPMENT, 2012, 24(5): 672-676.

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山药对环江香猪营养物质消化代谢的影响

Effects of Chinese Yam on Nutrient Metabolism in Huanjiang Mini-piglets

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