What is a common behavioral change in animals with neoplastic disease?

In animals with neoplastic disease, a common behavioral change observed is decreased activity or reluctance to exercise. This change can be attributed to various factors associated with cancer. The presence of tumors can cause physical discomfort, pain, or fatigue, leading to a noticeable decline in the animal's energy levels and motivation to engage in regular activities, such as playing or exercising. Furthermore, the systemic effects of cancer, including metabolic alterations and the impact of treatments like chemotherapy or radiation therapy, can contribute to lethargy and general malaise.

These behavioral changes are important indicators that veterinarians could use to assess the health and well-being of an animal. Recognizing decreased activity can prompt further investigation and management of the neoplastic condition. Understanding these signs helps in providing appropriate care and enhancing the quality of life for the affected animal.