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Permanent link (DOI): https://doi.org/10.7939/R3T99T

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Determining the nutritional and economic impact of feed waste when wintering beef cows in central Alberta Open Access

Descriptions

Other title
Subject/Keyword
feed waste, beef cattle, winter feeding,
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Yaremcio, Barry
Supervisor and department
Okine, Erasmus (Agricultural, Food and Nutritional Science)
Examining committee member and department
Oba, Masahito (Agricultural, Food and Nutritional Science)
Lardner, Bart (Department of Animal Science, University of Saskatchewan)
Goonewardene, Laksiri (Alberta Agriculture and Rural Development)
McCartney, Duane (Agriculture and Agri-Food Canada)
Department
Department of Agricultural, Food, and Nutritional Science
Specialization

Date accepted
2009-10-09T16:41:33Z
Graduation date
2009-11
Degree
Master of Science
Degree level
Master's
Abstract
Two experiments measured winter feed waste when cows were fed forage on snow. In the first experiment, feed waste was different (P<0.01) when alfalfa meadow brome mixed hay was fed by bale unroller or bale processor; waste was12.9% vs.19.2%, protein losses were 23.3% and 21.5% respectfully. Feed waste, nutrient replacement and additional equipment costs increased winter feeding costs by $52.50 and $56.25 per head respectfully for a 175 day feeding period. Hay processed into portable bunk feeders, experienced 0% feed waste. In the second experiment, feed waste when barley cereal silage fed either as high moisture round bale silage or chopped pit silage was fed on snow was not different (P>0.05) at 23.2% and 26.8% respectfully. When chopped barley cereal silage or high moisture round bale silage was fed into bunks, feed waste was 0%. Protein losses were 27.1% and 24.2% for the pit and round bale silage. Feed waste, nutrient replacement and additional equipment costs increased winter feeding costs by $164.50 for pit silage and $126.00 for bale silage over a 175 day feeding period.
Language
English
DOI
doi:10.7939/R3T99T
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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