Introduction to Dog Nutrition | Body Condition and Calculating Energy Requirements

A study of 700 dogs showed obese dogs of all breeds were at increased risk of intervertebral disc disease (slipped disc), but in high risk breeds like the Miniature Dachshund, even being moderately overweight increased risk.  For those dogs that must undergo disc surgery, another study supports that dogs recover faster if they’re ideal weight.

https://vetnutrition.tufts.edu/2017/10/dogobesity/