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Genetically modified laboratory animals--what welfare problems do they face?

Mia Buehr1, J Peter Hjorth, Axel Kornerup Hansen

  • 1Center for Bioethics and Risk Assessment, Department of Molecular Biology, University of Aarhus, Denmark.

Journal of Applied Animal Welfare Science : JAAWS
|February 18, 2004
PubMed
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This study addresses concerns about genetically modified (GM) animal welfare, identifying specific gene modifications in rodents that may cause suffering. It also explores how GM animals aid in reducing animal use in research.

Area of Science:

  • Animal Welfare Science
  • Genetics
  • Biotechnology

Background:

  • Public concern exists regarding the welfare of genetically modified (GM) animals.
  • Ethical considerations in animal research necessitate evaluating potential suffering.

Purpose of the Study:

  • To identify situations where genetic modification in rodents may cause significant welfare issues.
  • To review gene modifications with predictable welfare consequences.
  • To examine the role of GM animals in the 3Rs (reduce, replace, refine) of animal research.

Main Methods:

  • Review of scientific literature on animal welfare principles.
  • Analysis of gene modification techniques and their potential impact on rodent well-being.
  • Discussion of ethical implications and research methodologies.

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Main Results:

  • Certain gene modifications in rodents present predictable risks to animal welfare and can cause suffering.
  • The process of generating GM animals can involve welfare challenges.
  • GM animals can contribute to the reduction, replacement, and refinement of animal use in research.

Conclusions:

  • Genetic modification in rodents requires careful welfare assessment to mitigate potential suffering.
  • Understanding welfare impacts is crucial for ethical application of genetic modification in research.
  • GM animals offer potential benefits for advancing the 3Rs in scientific research.