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Population dynamics and animal welfare issues raised by the culling of kangaroos in Puckapunyal

Clarke, Matthew and Ng, Yew-Kwang 2006, Population dynamics and animal welfare issues raised by the culling of kangaroos in Puckapunyal, Social choice and welfare, vol. 27, no. 2, pp. 407-422, doi: 10.1007/s00355-006-0137-8.

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Title Population dynamics and animal welfare issues raised by the culling of kangaroos in Puckapunyal
Author(s) Clarke, Matthew
Ng, Yew-Kwang
Journal name Social choice and welfare
Volume number 27
Issue number 2
Start page 407
End page 422
Publisher Springer-Verlag
Place of publication Dordrecht, Germany
Publication date 2006-10
ISSN 0176-1714
Summary The culling of kangaroos at the Puckapunyal Army base (Australia) raises some intriguing ethical issues around animal welfare. After discussing the costs and benefits of the cull, this paper addresses the more general animal welfare issues related to population dynamics. Natural selection favours the maximization of the number of surviving offspring. This need not result in the maximization of the welfare of individuals in the species. The contrast between growth maximization and welfare maximization is first illustrated for a single population and then discussed in terms of competing populations. In the Lotka-Volterra model of competing species and its generalizations, the choice of different birthrates does not affect the population sizes at equilibrium. Welfare could be much higher at lower birthrates without even reducing numbers (at equilibrium)
Notes Published online: 29 April 2006
Language eng
DOI 10.1007/s00355-006-0137-8
Field of Research 140202 Economic Development and Growth
Socio Economic Objective 970114 Expanding Knowledge in Economics
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©Springer-Verlag 2006
Persistent URL http://hdl.handle.net/10536/DRO/DU:30004335

Document type: Journal Article
Collection: School of International and Political Studies
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