It is also very difficult to perform this surgery on dogs that weigh less than 45 pounds because the surgeon must work in such a tight space. (2ndchance.info)
We will not perform surgery on cats that are not healthy, too old, are overweight or have some other factor which indicates surgery is not a good option. (4petsclinic.com)
You certainly wouldn't want an unqualified doctor performing a surgery on you, or worse, attempt the surgery yourself. (duiblog.com)