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.
How much will a Pyrenees weight? A male will weight anywhere from 90- 120lbs and with our females around 80+ pounds. I have had several people turn my pups away because they believe they are not big enough. When you push dogs to hard for size you are forcing to many unnatural circumstances which leads to health problems like heart, hip, and joint problems.