The behavioural and physiological effects of dog appeasing pheromone on canine behaviour during separation from the owner by Sienna Taylor MSc, BSc (Hons), FdSc; FHEA Distress in dogs caused by separation from their owners can result in problem behaviours including inappropriate elimination, excessive vocalisations and destructive behaviour (Landsberg et al. 2013). These can be caused by changes in routine, for example a period in rehabilitation or changes in an owners work pattern where owners spend long periods of time at home and then suddenly spend time away at work (Ballantyne, 2018). Many of these behaviours are deemed undesirable by owners...