A rare case of vulvar discharge associated with exogenous oestrogen exposure in a spayed Weimaraner bitch.

This case demonstrates that although rare, exogenous oestrogen exposure can be a cause of vulvar discharge in a large-breed spayed bitch. Therefore, regardless of the breed, exogenous oestrogen exposure must be included in the list of differential diagnoses for all clinical presentations associated with oestrogenic influence in dogs.