British Journal of Anaesthesia guidelines to authors leads in some requirements for describing experimental animal welfare

Editor—In view of concerns previously raised regarding the reporting of animal experiments in the British Journal of Anaesthesia,1,2 we present some related information that we hope is of interest to the journal and its readership. The attempt of Animal Research: Reporting of In Vivo Experiments (ARRIVE) (2010) guidelines3 to improve the quality of reporting in animal experiments appears to have failed,4,5 and evidence continues to accumulate that biomedical journals do not prioritise the description of methods improving laboratory animal welfare (e.g.