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Benchmarking growth performance and feed efficiency of commercial rainbow trout farms in Ontario, Canada

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Title: Benchmarking growth performance and feed efficiency of commercial rainbow trout farms in Ontario, Canada
Author: Skipper-Horton, James Owen
Department: Department of Animal and Poultry Science
Program: Animal and Poultry Science
Advisor: Bureau, Dominique
Abstract: Ontario cage culture operations produce the majority of farmed rainbow trout in Canada, using a diverse range of management practices that are expected to result in substantial variation in trout performance across the industry. A preliminary survey of performance data was undertaken, resulting in data from 5 commercial sites between 2008 and 2012. Commercial performance was somewhat poorer than expected, particularly for mortality rates, thermal-unit growth coefficients, and economic feed conversion ratios (average weighted values of 12%, 0.165, and 1.36, respectively). Substantial variability in all performance parameters within and across operations suggests that continued production monitoring and benchmarking could be highly valuable for improving the economic sustainability of the sector. For future benchmarking efforts to be effective, improvement and standardization of data collection methods is needed. As such, a number of recommendations are provided to the industry for the refinement and standardization of performance recording protocols used by Ontario producers.
URI: http://hdl.handle.net/10214/6750
Date: 2013-05


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