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Permanent link (DOI): https://doi.org/10.7939/R37W68

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Evaluation of seed hardness and malting characteristics of barley grain for use in ruminant diets Open Access

Descriptions

Other title
Subject/Keyword
wort beta-glucan
barley grain
rumen digestion
friability
principle component analysis
seed hardness
in situ
malting characteristic
DMD
FTIR
diastatic power
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Ding, Shuai
Supervisor and department
Oba, Masahito (Agricultural, Food, and Nutritional Science)
Yang, Wenzhu (Agriculture and Agri-Food Canada, Lethbridge)
Examining committee member and department
Oba, Masahito (Agricultural, Food, and Nutritional Science)
Vansanthan, Thava (Agricultural, Food, and Nutritional Science)
Yang, Wenzhu (Agriculture and Agri-Food Canada, Lethbridge)
McAllister, Tim (Agriculture and Agri-Food Canada, Lethbridge)
Swift, MaryLou (Alberta Agriculture and Food, Lethbridge)
Department
Department of Agricultural, Food, and Nutritional Science
Specialization
Animal Science
Date accepted
2014-10-16T15:45:44Z
Graduation date
2015-06
Degree
Master of Science
Degree level
Master's
Abstract
In Western Canada, over 70% of the barley grain grown for malt is sold as livestock feed. The main objective of this thesis was to investigate the relationship between ruminal dry matter digestibility (DMD) and seed hardness (SH) and malting characteristics (MC) of barley grain by measuring in situ DMD, and changes in the nutrient composition as predicted by Fourier Transform Infrared Spectroscopy with Attenuated Total Reflectance (ATR-FTIR) before and after in situ rumen incubation. Results demonstrated that diastatic power and SH were associated with an improved in situ rumen digestion at early incubation time, but level of SH and MC had no impact on rumen digestion in relation to nutrient molecular structures using ATR-FTIR spectra. However, ATR-FTIR identified the differences of molecular structures in barley grain as affected by rumen digestion, indicating a potential of ATR-FTIR for use to predict nutrient digestion of barley grain in the rumen.
Language
English
DOI
doi:10.7939/R37W68
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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