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Effects of maternal management and nutrition on broiler chicken carcass uniformity Open Access


Other title
Diet fortification
Broiler breeder
Feed management
Type of item
Degree grantor
University of Alberta
Author or creator
Holm, Deborah
Supervisor and department
Robinson, Frank E. (University Student Services)
Examining committee member and department
Steiner, Bodo (Rural Economy)
Renema, Robert A. (Agricultural, Food and Nutritional Science)
Zuidhof, Martin J. (Agricultural, Food and Nutritional Science)
Department of Agricultural, Food and Nutritional Science

Date accepted
Graduation date
Master of Science
Degree level
This project researched the effects of pullet-phase feed restriction methodology or management and hen-phase diet fortification on female broiler breeder BW and carcass trait uniformity as well as on performance of the broiler offspring. Feed treatments had a significant effect on female BW and carcass trait uniformity at 22 wk of age, with sorting and scatter treatments having the highest uniformity estimates, compared to limited daily, skip-a-day and fibre-diluted programs. Feed and premix treatments did not affect traits after 22 wk of age as individual caging at 22 wk of age unified female BW uniformity across all treatments. Feed treatments did not affect the uniformity of age at sexual maturity, first egg characteristics or production parameters. Premix treatment resulted in decreased shell uniformity and increased uniformity of one of the production parameters, total egg mass. Feed treatments may have a greater effect on female broiler breeder efficiency than previously suggested.
License granted by Deborah Holm ( on 2010-10-01T20:35:37Z (GMT): 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 the above terms. The author reserves all other publication and other rights in association with the copyright in the thesis, and except as herein 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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