苏氨酸在家禽营养中的研究进展

doi:10.16431/j.cnki.1671-7236.2017.08.016

摘要/Abstract

摘要：

苏氨酸是家禽体内4种主要的必需氨基酸之一，对维持家禽正常的生长、发育及免疫具有十分重要的作用。尽管过去十多年来有关苏氨酸对肉鸡、蛋鸡的影响机理研究较为全面，但在肉鸭上的研究相对较少。作者总结了近年来苏氨酸在肉鸡、蛋鸡和肉鸭生物学和营养生理功能上的研究成果，主要包括苏氨酸在平衡日粮氨基酸、促进蛋白质合成、提高生产性能、提升胴体品质、增强免疫机能及维护肠道健康等方面的作用效果；同时也简要分析了家禽苏氨酸需要量的影响因素，包括家禽的生长阶段、日粮粗蛋白质水平、日粮能量浓度、日粮其他氨基酸含量及饲养环境等，以期为家禽的生产实践提供一定的指导。

关键词: 苏氨酸; 需要量; 氨基酸平衡; 生产性能; 胴体品质; 免疫机能; 肠道健康

Abstract:

Threonine (Thr) is one of the four main limiting amino acids of poultry, and it plays a very important role in poultry's maintenance of normal growth, development and immune function. Although there have been very comprehensive studies on the mechanism of broilers and laying hens over the past ten years, there are still relatively fewer studies on ducks. This paper summarizes recent studies on Thr nutrition-physiological function in broilers, laying hens and ducks, including the influence of Thr on dietary amino acids balance, production performance, carcass quality, immune function and intestine health maintenance. At the same time, this paper also briefly analyzes the factors related to Thr requirement, including growth stage, crude protein level, energy concentration, other amino acids level in diet and raising environment. In brief, the review is respected to guide poultry production practices.

Key words: threonine; requirement; amino acid balance; production performance; carcass quality; immune function; intestine health

中图分类号:

S816.15

毕晔, 潘晓花, 辛海瑞, 熊本海. 苏氨酸在家禽营养中的研究进展[J]. 《中国畜牧兽医》, 2017, 44(8): 2326-2332.

BI Ye, PAN Xiao-hua, XIN Hai-rui, XIONG Ben-hai. Research Progress of the Influence of Threonine on Poultry Nutrition[J]. , 2017, 44(8): 2326-2332.

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