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Causes of dog obesity: understanding the origin of the problem

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Posted on October 18 2018

To avoid unwanted weight gain and dangerous to the health of your animal, it must have a healthy lifestyle.


Obesity is an increasingly common disease in our pets. It is defined by an overweight of 15% compared to the ideal weight of your companion.

Causes of obesity in dogs

There are two different categories at the origin of obesity.

Causes related to what your pet eats :

  • An unrestricted or unbalanced diet
  • Treats often high in fats or sugars (a biscuit given to a dog weighing 10 kg corresponds for a man to eat a hamburger)

Causes unrelated to your dog's diet :

  • A low or no sports activity
  • Sterilization: the energy expenditure is less important in a male or female operated dog than in a "whole" animal
  • Females are at greater risk of obesity
  • Age: the older a dog gets, the lower his caloric needs
  • Some breeds are more prone to obesity, such as Labrador, Cavalier King Charles, Cockers, Colleys, Dachshunds, Beagles, Terriers, etc.
  • A hormonal disease such as diabetes or hypothyroidism: some medications can promote your dog's appetite and therefore his weight gain
  • Genetics (hereditary obesity)
  • Behavior: anxiety and depression can lead to bulimia

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