There are no published studies investigating whether obesity is a risk factor for dogs with absolute insulin deficiency, which represent the majority of diabetic dogs. (academic.oup.com)
Insulin deficiency caused by diabetes is a condition where protein, fats and carbohydrates are not digested well. (wagbrag.com)
The only study to examine the effects of obesity in diabetic dogs used animals with relative insulin deficiency (117). (academic.oup.com)