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10~25 kg仔猪赖氨酸需要量及其影响因素的Meta分析

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  • 1. 华中农业大学动物科技学院, 武汉 430070;
    2. 湖北省生猪健康养殖协同创新中心, 武汉 430073
向全航(1990-),男,湖北恩施人,硕士研究生,从事动物营养与饲料科学研究。E-mail:xiangquanhang@webmail.hzau.edu.cn

收稿日期: 2016-11-16

  网络出版日期: 2017-06-07

基金资助

973计划“氮营养素的感应与肌肉蛋白质沉积”(2013CB127305);湖北省科技计划重大项目(2016ABA113);湖北省科技支撑计划项目(2014BBB007);湖北省重大科技创新计划项目(2014ABB014);教研创新项目“猪营养与饲料创新平台”(52204-1490113)

Lysine Requirement and Its Influence Factors of 10 to 25 kg Piglets:A Meta-Analysis

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  • 1. College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China;
    2. The Cooperative Innovation Center for Sustainable Pig Production of Hubei Province, Wuhan 430073, China

Received date: 2016-11-16

  Online published: 2017-06-07

摘要

本文旨在应用Meta分析方法研究10~25 kg仔猪赖氨酸(Lys)需要量及其影响因素。本研究检索了1990年至2016年期间发表的有关仔猪Lys需要量的研究,根据文献筛选标准共17篇文献被纳入研究。用二次曲线(QC)模型、线性平台(LP)模型和曲线平台(CLP)模型估计了标准回肠可消化赖氨酸(SID Lys)需要量。结果表明:LP模型估计得到的SID Lys需要量较低,而QC和CLP模型的估计值较高且基本一致。其中,饲粮SID Lys含量变化不影响仔猪的平均日采食量(ADFI)(PQC=0.828 0,Plinear=0.584 4);以平均日增重(ADG)和料重比(F/G)为因变量,SID Lys含量为自变量,用QC模型估计得出10~25 kg仔猪饲粮SID Lys需要量分别为1.280%(P<0.000 1)和1.260%(P<0.000 1)。饲粮类型以及遗传背景等因素影响SID Lys需要量。其中,玉米-豆粕饲粮和非玉米-豆粕饲粮的SID Lys需要量分别为1.307%(P=0.005 0)和1.138%(P=0.000 1);中国地方猪种和瘦肉型猪种的SID Lys需要量分别为1.060%(P=0.001 2)和1.334%(P=0.004 3)。综上,为满足10~25 kg仔猪达到最佳生长性能,饲粮SID Lys需要量为1.230%~1.280%,同时应考虑饲粮类型以及猪的遗传背景等因素。

本文引用格式

向全航, 夏茂, 夏雄, 庞家满, 郑溜丰, 王超, 彭健 . 10~25 kg仔猪赖氨酸需要量及其影响因素的Meta分析[J]. 动物营养学报, 2017 , 29(6) : 2078 -2091 . DOI: 10.3969/j.issn.1006-267x.2017.06.030

Abstract

This study was conduct to research the lysine (Lys) requirement and its influence factors of 10 to 25 kg piglets by a meta-analysis. The publications searching for the Lys requirement of piglets published from 1990 to 2016 were retrieved, and seventeen publications were selected according publication selecting criteria. The quadratic curve (QC), linear-plateau (LP) and curvilinear-plateau (CLP) models were used to estimate the standard ileal digestible lysine (SID Lys) requirement. The results showed that the SID Lys requirement estimated by CLP model was similar to that estimated by QC model, which was higher than that estimated by LP model. The content of SID Lys in diet had no effect on the average daily feed intake (ADFI) of piglets (PQC=0.828 0, Plinear=0.584 4). Using average daily gain (ADG)and the ratio of feed to gain (F/G) as dependent variable, the content of SID Lys as independent variable, the SID Lys requirement in diet of piglets from 10 to 25 kg were 1.280% (P<0.000 1) and 1.260% (P<0.000 1) estimated by QC model, respectively. Moreover, the SID Lys requirement was affected by diet type and genetic background and so on. The SID Lys requirement of corn-soybean meal diet and non corn-soybean meal diet were 1.307% (P=0.005 0) and 1.138% (P=0.000 1), respectively; and the SID Lys requirement of Chinese local pig breed and lean-type pig breed were 1.060% (P=0.001 2) and 1.334% (P=0.004 3), respectively. In conclusion, the SID Lys requirement in diet recommended at 1.230% to 1.280% for 10 to 25 kg piglets to achieving the best growth performance. Meanwhile, diet type and genetic background of pigs and so on should be taken into consideration.

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