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.
From the U.K., Zorba weighed in at 343 lbs and measured almost 8 feet long from nose to tail. English Mastiffs are considered the biggest dogs as they are usually the heaviest dogs with weights over 200 lbs. not uncommon. Did you know that the Irish Wolfhoud is one of the largest dog breeds.