What’s wrong with a bulge on a dog’s belly?

There are several cases of bags on the belly: First: this is an umbilical hernia that has not grown well in puppies. It is advisable to touch it with your finger. If it feels as if it is a watery bag that can go back when you press it and you can press it to a visible hole in the puppy’s abdominal wall, then this is a hernia left by the umbilical cord. This is normal. Secondly: if it is hard to palpate and free, consider a tumour or hyperplasia. Third: skin disease, which may show signs of abscesses, etc.