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.
Yorkshire Terriers Yorkies can have an adult weight in the range of three to seven pounds. Beagle They generally weigh between 22 and 25 pounds. Bulldog These wrinkled canines may be short, but they usually weigh around 50 pounds. German Shepard They average out at about 70 pounds. Labrador Retriever These popular dogs often grow to 50 pounds at only seven months of age. A puppy growth chart can serve as a guide. However, you should also consider other specific factors such as the weight of the puppy's parents and that males typically weigh more than the females.