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).
These Are 9 Dog breeds with the highest cancer rate
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