#1 Abnormal swellings that persist or continue to grow.
#2 Sores that do not heal.
#3 Weight loss.
#4 Loss of appetite.
#5 Bleeding or discharge from any body opening.
#6 Offensive odor.
#7 Difficulty eating or swallowing.
#8 Hesitation to exercise or loss of stamina.
#9 Persistent lameness or stiffness.
#10 Difficulty breathing, urinating or defecating.