“Examination by a veterinary surgeon 10 days later did not reveal any signs of lameness, bruising or injury to the dog, but these findings do not indicate an absence of injury.

Source: https://www.gazettelive.co.uk/news/teesside-news/middlesbrough-dog-owner-caught-whipping-27488848

In dogs the disease can include symptoms such as infertility, lethargy, premature ageing and lameness from back pain, but some infections in dogs are asymptomatic.

Source: https://www.derbytelegraph.co.uk/news/uk-world-news/brucella-canis-three-humans-catch-8765071