www.uu.nl/3RsCentreULS The 3Rs-Centre ULS stimulates the development, acceptance and implementation of 3Rs methods (Replacement, Reduction and Refinement of animal experiments), by advising and giving information to researchers. Their website contains useful databases for laboratory species comparisons, establishing humane endpoints and sourcing alternatives to FCS.
www.crackit.org.uk Open Innovation programme to find alternatives for and optimise current research involving lab animals (financed by NC3R)
www.3rs-reduction.co.uk The site provides an interactive short course on experimental design for research scientists working with laboratory animals (provided by Michael FW Festing)
www.3RGuide.info 3R Guide is a new (2014) searchable resource being developed by Norecopia in collaboration with the Animal Information Center in Beltsville, USA