Symptoms of dog brucellosis are mostly latent infection, and a few show febrile systemic symptoms. Occasionally, fever, lethargy, lymphadenopathy and weight loss can be seen. If a pregnant dog is infected with brucellosis, the fetus may die in the early stages of pregnancy and be absorbed by the mother, or a miscarriage may occur at 40 to 50 days of pregnancy. Dogs after a miscarriage are often unable to become pregnant again. Dogs infected with brucellosis may not only undergo reproductive In addition to systemic symptoms, symptoms such as arthritis and tenosynovitis may also occur.