The Belgian Council for Laboratory Animal Science is pleased to invite you to its 46th annual symposium. A 2 day-event with workshops and scientific presentations for laboratory animal care takers, active participants and in vivo researchers, facility managers, veterinarians and other functions involved in the care and welfare of lab animals and/or 3R projects. The purpose of the symposium aligns with the missions of BCLAS to promote the replacement, reduction and refinement of laboratory animal use by driving reflection, sharing information, providing education and support to the scientific community, authorities and public, in order to lead to an ethical, responsible and qualitative research enabling further improvement in human & animal health.