Years ago, I lost my own personal pit bull to a fast growing brain tumor. Unfortunately, in both human and veterinary medicine, brain tumors can result for no known reason. While genetics and environment may potentially have a role, the underlying cause for brain tumors is typically unknown.
The Havanese does not have to be really light. Depending on the size of a Havanese the weight ranges from 7-22lbs. I own a very athletic agility Havanese that stands 11â³ at the withers. She weighs 18-20lbs depending on how much training she does and her muscle mass. From the AKC Standard.
Flynn, who is a big man himself, weighed 270 pounds and his dog still weighed more than him, tipping the scales at 282 pounds with a 38-inch neck. It's important to note that the biggest dog (and breed of dog) in terms of mass is the English Mastiff, with Zorba the OEM taking the crown.