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Impact of two novel trailer designs on trailer microclimate, animal welfare, and meat quality during short distance transportation of pigs to slaughter under Canadian summer and winter conditions

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Title: Impact of two novel trailer designs on trailer microclimate, animal welfare, and meat quality during short distance transportation of pigs to slaughter under Canadian summer and winter conditions
Author: Moak, Kyle Alexander Thomas
Department: Department of Animal Biosciences
Program: Animal and Poultry Science
Advisor: Bergeron, Renee
Abstract: The welfare of pigs during transport depends on many factors, but trailer design plays a key role in transport-related stress. Pot-belly trailers are commonly used for swine transportation in Canada but are criticized because of steep internal ramps causing difficulties during loading/unloading, and poor internal microclimate conditions. This results in a greater proportion of dead-on-arrivals and fatigued pigs compared to trailers using flat-deck designs. The objective of this study was to compare a standard pot-belly trailer to two novel trailer designs, both featuring fan-assisted ventilation and water misting (modified pot-belly and advanced flat-deck trailer) and one featuring flat-decks (advanced flat-deck trailer). Only a few modest differences were observed between pigs transported with different trailers, suggesting that loading pigs using a trailer with a flat deck design compared to trailers with standard ramp designs did not reduce loading stress, and trailers featuring fan-assisted ventilation and water misting did not effectively cool pigs during summer transits.
URI: https://hdl.handle.net/10214/25866
Date: 2021-05
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