1- Rottweiler:
It is a large,and powerful dog mostly known for its guardian skills. It has a lifespan of 8-11 years. Rottweilers are prone to major health problems. Canine hip dyspepsia, osteosarcoma (or bone cancer), elbow dyspepsia and gastric torsion are some of them. According to Coates, common forms of canine cancer include lymphoma, mast cell tumors, soft tissue sarcomas, osteosarcoma, transitional cell carcinomas (or bladder cancer) and hemangiosarcomas (or cancer of the blood vessels).
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2- Bernese Mountain dog:
These dogs have a long silky coat. They are calm and confident by nature. Just like Rottweilers these dogs have some of highest cancer rates. Their lifespan is 6-9 years. Some of the serious health conditions that affect them are: canine hip dysplasia, elbow dysplasia, gastric torsion and mast cell tumors.
Image source 3- Bouvier des Flandres:
It is a bold breed known for being fearless, and an efficient farm dog. It is a well-behaved and a confident dog. Its lifespan is 10-12 years. Like the other dogs Bouvier des Flandres might suffers from elbow dysplasia, canine hip dysplasia, sub-aortic stenosis (a heart disease) and glaucoma.
4- German Shepard:
This is one of the smartest dog breeds, they are also versatile. They are great guardians, make a great company, and are also used as police dogs. Their lifespan averages from 10-12 years. Cancer unfortunately is caused by many factors and many things that studies have not been able to reveal yet. They think that genetics definitely play a very important role.
5- Great Dane:
This dog breed is known for its graceful appearance, large size, and its amazing hunting skills. They make a great family companion because they are quiet, and lovable. Unfortunately they also are among dogs with the highest cancer rate. Their lifespan averages from 7-10 years. They suffer from osteosarcoma, cardiomyopathy and gastric torsion.
6- Labrador Retriever:
They make excellent family pets because are lovable, loyal, and great companions. Their bad luck that they are among other dogs with the highest cancer rate. They have a lifespan of 10-12 years. Once they gain weight they do not loose it very easily, so be careful to keep them fit. Some of the general health conditions that impact the breed include canine elbow, shoulder and hip dysplasia and osteochondritis dissecans.
7- Bichon Frise:
It is a small, cute, playful dog breed with a happy attitude, and playful nature. It has a lifespan of 12-15 years. They are ranked among other dogs with the highest cancer rate because they have a few health problems. Some of them are: allergies, patellar luxation, and liver disease.
8- Boxer:
The are one of the most curious dog breeds. Are considered to be great family companions with an outgoing personality. Have a lifespan from 8-10 years. Boxers has also been considered to be one of the dog breeds with the highest cancer rate . They should be very active in their daily basis because they usually suffer from: hip dysplasia, Boxer cardiomyopathy and sometimes brain tumors.
9- Golden Retriever:
They are known of being kind, lovable, loyal and easy going. More than perfect as family companion, and they love human companionship. They have a lifespan that averages from 10-13 years. Unfortunately they have the highest cancer rate because they usually suffer some serious health problems including lymphoma, canine hip dysplasia and skin problems.