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Improvement of animal welfare by strategic analysis and logistic optimization of animal slaughter transportation

Published online by Cambridge University Press:  01 January 2023

N Håkansson ,
P Flisberg ,
B Algers ,
A Jonsson ,
M Rönnqvist  and
U Wennergren
N Håkansson
Affiliation:
School of Bioscience, Skövde University, Sweden
P Flisberg
Affiliation:
The Forestry Research Institute of Sweden, Uppsala, Sweden
B Algers
Affiliation:
Swedish University of Agricultural Sciences, Skara, Sweden
A Jonsson
Affiliation:
School of Bioscience, Skövde University, Sweden
M Rönnqvist
Affiliation:
The Forestry Research Institute of Sweden, Uppsala, Sweden Université Laval, Québec, Canada
U Wennergren*
Affiliation:
Department of Physics, Chemistry and Biology, Linköping University, 581 83 Linköping, Sweden
*
* Contact for correspondence and requests for reprints: [email protected]
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Abstract

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The transportation of animals to slaughterhouses is a major welfare concern. The number of slaughterhouses has decreased over time in Europe due to centralisation. This is expected to increase transport time for animals and as a consequence negatively affect animal welfare. We propose an optimisation model based on a facility location model to perform strategic analysis to improve transportation logistics. The model is tested on the Swedish slaughter transport system. We show that, by strategic planning and redirection of transports while keeping the slaughterhouse capacities as of the original data, the potential exists to reduce transport distance by 25% for pigs and 40% for cattle. Furthermore, we demonstrated that approximately 50% of Swedish slaughterhouses can be shut down with a minimal effect on total transport distances. This implies that in terms of the overall welfare picture, the decision of which animals to send where plays a far more significant role than the number of slaughterhouses. In addition, by changing relative weights on distances in the optimisation function the amount of individual transports with long journey times can be decreased. We also show results from altered slaughterhouse capacity and geographical location of slaughterhouses. This is the first time an entire country has been analysed in great detail with respect to the location, capacity and number of slaughterhouses. The focus is mainly on the analysis of unique and detailed information of actual animal transports in Sweden and a demonstration of the potential impact redirection of the transports and/or altering of slaughterhouses can have on animal welfare.

Keywords

animal welfarecattlepigslaughterhouse capacityslaughter transportstransportation logistics
Type
Research Article
Information
Animal Welfare , Volume 25 , Issue 2 , May 2016 , pp. 255 - 263
Copyright
© 2016 Universities Federation for Animal Welfare

References

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