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.
The largest dog breed, the Great Dane, weighs over 100 lbs and a male Great Dane can weigh even up to 200 lbs. The heights of the dogs of the breed can range between 28 and 42 inches! Broadly speaking, dog breeds are classified into 3 varieties on the basis of their size. Giant Variety-The very large dogs weighing around 100 pounds or even more are considered to belong to the giant variety.