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Refinements to rodent head fixation and fluid/food control for neuroscience

Barkus, Chris, Bergmann, Caroline, Branco, Tiago, Carandini, Matteo, Chadderton, Paul T., Galinanes, Gregorio, Gilmour, Gary, Huber, Daniel, Huxter, John R., Khan, Adil G., King, Andrew J., Maravall, Miguel, O'Mahony, Tina, Ragan, C Ian, Robinson, Emma S. J., Schaefer, Andreas T., Schultz, Simon R., Sengpiel, Frank ORCID: and Prescott, Mark J. 2022. Refinements to rodent head fixation and fluid/food control for neuroscience. Journal of Neuroscience Methods 381 , 109705. 10.1016/j.jneumeth.2022.109705

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The use of head fixation in mice is increasingly common in research, its use having initially been restricted to the field of sensory neuroscience. Head restraint has often been combined with fluid control, rather than food restriction, to motivate behaviour, but this too is now in use for both restrained and non-restrained animals. Despite this, there is little guidance on how best to employ these techniques to optimise both scientific outcomes and animal welfare. This article summarises current practices and provides recommendations to improve animal wellbeing and data quality, based on a survey of the community, literature reviews, and the expert opinion and practical experience of an international working group convened by the UK’s National Centre for the Replacement, Refinement and Reduction of Animals in Research (NC3Rs). Topics covered include head fixation surgery and post-operative care, habituation to restraint, and the use of fluid/food control to motivate performance. We also discuss some recent developments that may offer alternative ways to collect data from large numbers of behavioural trials without the need for restraint. The aim is to provide support for researchers at all levels, animal care staff, and ethics committees to refine procedures and practices in line with the refinement principle of the 3Rs.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Publisher: Elsevier
ISSN: 0165-0270
Date of First Compliant Deposit: 31 October 2022
Date of Acceptance: 3 September 2022
Last Modified: 19 May 2023 14:44

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