基础饲粮类型对生长猪豆粕回肠氨基酸消化率评定的影响

doi:10.11843/j.issn.0366-6964.2017.02.011

畜牧兽医学报 ›› 2017, Vol. 48 ›› Issue (2): 280-288.doi: 10.11843/j.issn.0366-6964.2017.02.011

基础饲粮类型对生长猪豆粕回肠氨基酸消化率评定的影响

刘正群¹，刘静波^1,2，陈亮¹，朱丽媛¹，孟庆石¹，张宏福^1*

（1.中国农业科学院北京畜牧兽医研究所，动物营养学国家重点实验室，北京 100193; 2. 西南科技大学生命科学与工程学院，绵阳 621010）

收稿日期:2016-05-18 出版日期:2017-02-23 发布日期:2017-02-23
通讯作者: 张宏福，研究员，博士生导师，E-mail: zhanghongfu@caas.cn
作者简介:刘正群(1991-)，男，山东聊城人，硕士，主要从事猪营养研究，E-mail: liuzhengqun2015@163.com
基金资助:
国家科技支撑计划项目（2012BDA39B01；2013BAD21B02-01)；中国农业科学院科技创新工程（ASTIP-IAS07）

Effects of Basal Diet Type on the Determination of Soybean Meal True Ileal Digestibility of Amino Acids for Growing Pigs

LIU Zheng-qun¹,LIU Jing-bo^1,2,CHEN Liang¹,ZHU Li-yuan¹,MENG Qing-shi¹,ZHANG Hong-fu^1*

（1. State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China; 2. School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China)

Received:2016-05-18 Online:2017-02-23 Published:2017-02-23

摘要/Abstract

摘要：

本试验旨在使用线性回归法和差量法研究基础饲粮类型对生长猪氨基酸回肠真消化率（TID）的影响。选用32头初始体重为（28.9±0.7）kg安装了简单T型瘘管的生长公猪，采用有重复的8×2不完全拉丁方设计，8种试验饲粮，进行2期消化试验。8种试验饲粮包括2种基础饲粮类型（玉米淀粉组和玉米组）和4种豆粕添加水平（0，13%，26%和39%）。每期消化试验包含7 d，其中5 d的饲粮适应期和2 d的回肠食糜收集期。结果表明，除赖氨酸、精氨酸和脯氨酸外，以玉米为主的基础饲粮中回肠总氮和氨基酸排泄量显著高于以玉米淀粉为主的基础饲粮（P<0.01）。除脯氨酸外，生长猪回肠总氮和氨基酸排泄量随饲粮豆粕添加水平提高呈线性显著增加（P<0.01）。使用差量法测定氨基酸TID时，以玉米为主基础饲粮中总氮和甘氨酸的TID显著高于以玉米淀粉为主的基础饲粮（P<0.05），但玉米淀粉为主的基础饲粮中蛋氨酸和赖氨酸TID显著高于玉米为主的基础饲粮（P<0.05），基础饲粮类型对其他氨基酸TID无显著影响（P>0.05）。使用线性回归法测定氨基酸TID时，生长猪饲喂以玉米淀粉为主的基础饲粮和以玉米为主的基础饲粮对总氮和氨基酸的TID均无显著差异（P>0.05）。由此可见，生长猪对总氮和氨基酸TID的测定不受基础饲粮类型的影响。

Abstract:

The present study was conducted to investigate the effects of basal diet type on the determination of true ileal digestibility (TID) of nitrogen (N) and amino acids (AA) for growing pigs by the linear regression method and the difference method. A total of 32 barrows (initial BW, (28.9±0.7) kg) fitted with T-cannula were used in an 8 × 2 incomplete Latin square design including 8 diets and 2 digestibility tests. The 8 experimental diets consisted of 2 types of basal diet (cornstarch or corn), and 4 graded levels of soybean meals (0, 13%, 26% or 39%). Each test consisted of a 5-d adjustment period and a 2-d ileal digesta collection period. The results showed that the ileal outputs of N and the most of AA, except for Lys, Arg and Pro, were greater in pigs fed the corn basal diets than those fed the cornstarch basal diets (P<0.01). And for growing pigs, ileal outputs of N and the most of AA, except for Pro, increased linearly as soybean meal levels increased in diets (P<0.01). The result obtained from the difference method showed that, pigs fed the corn basal diets had greater TID of N and Gly compared with the pigs fed the cornstarch basal diets, whereas the TID of Met and Lys was lower for pigs fed the corn basal diets than the cornstarch basal diets (P<0.05). In addition, TID of other AA was not effected by basal diet types (P>0.05). Values of TID of the most of AA for growing pigs determined by the regression method were not affected by the basal diets types (P>0.05). In summary, the determination of TID of N and AA for growing pigs was not affected by the basal diet types.

中图分类号:

S828
S816

刘正群，刘静波，陈亮，朱丽媛，孟庆石，张宏福. 基础饲粮类型对生长猪豆粕回肠氨基酸消化率评定的影响[J]. 畜牧兽医学报, 2017, 48(2): 280-288.

LIU Zheng-qun,LIU Jing-bo,CHEN Liang,ZHU Li-yuan,MENG Qing-shi,ZHANG Hong-fu. Effects of Basal Diet Type on the Determination of Soybean Meal True Ileal Digestibility of Amino Acids for Growing Pigs[J]. ACTA VETERINARIA ET ZOOTECHNICA SINICA, 2017, 48(2): 280-288.

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基础饲粮类型对生长猪豆粕回肠氨基酸消化率评定的影响

Effects of Basal Diet Type on the Determination of Soybean Meal True Ileal Digestibility of Amino Acids for Growing Pigs

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