Preventing canine obesity requires proactive weight management across life stages, with neutering, ageing, and breed all affecting energy requirements significantly.
Canine obesity prevention is more effective and more welfare-positive than treatment of established obesity, but prevention requires sustained owner commitment to managing body condition across a dog entire lifetime. The common failure points occur at predictable life events: neutering that reduces energy requirements without dietary adjustment, transition to senior life stage that reduces activity and metabolism, and gradual treat escalation that adds uncounted calories. Dogs do not experience themselves as overweight and cannot make dietary choices that reflect health interests. The welfare responsibility rests entirely with owners, whose feeding decisions directly determine the chronic pain, reduced mobility, and shortened lifespan that obesity produces. Regular body condition scoring at veterinary visits provides the objective feedback that many owners need to recognise and address gradual weight gain.