Assessment of chronic pain and quality of life (QOL) are integral to clinical veterinary
research and practice, and recent years have seen an increase in the published tools …

Foreword Equine obesity is now so common that is has become accepted by many as the
norm. Rates of obesity may be as high as 70% in some populations and obesity is often …

The prolonged lifespan of companion dogs has resulted in increased behavioural and
physical challenges linked to old age. The development of behavioural tests to identify and …

Highlights•Current studies on wild canids do not indicate higher cognitive
requirements.•Recent studies on captive wolves and dogs indicate understanding of the …

The study of inequity aversion in animals debuted with a report of the behaviour in capuchin
monkeys (Cebus apella). This report generated many debates following a number of …

Rescue behavior is considered a type of pro-social response, defined as a voluntary action
directed to benefit another individual who is in a stressful or dangerous situation. In two …

Social evaluation is a mental process that leverages the preference toward prosocial
partners (positivity bias) against the avoidance of antisocial individuals (negativity bias) in a …

Obesity in pets is a frustrating, major health problem. Obesity in human children is similar.
Prevailing theories accounting for the rising obesity rates–for example, poor nutrition and …

The presence of direct reciprocity in animals is a debated topic, because, despite its
evolutionary plausibility, it is believed to be uncommon. Some authors claim that stable …

One of the challenges of animal cognition research is overcoming anthropocentric sensory
biases—in particular, favoring visual information and cues despite the dominance of other …