A veterinary doctor had fever for 15 days. His blood culture in special laboratory media was positive for Gram-negative short bacilli which was oxidase positive. Which one of the following is the likely organism grown in culture?

• Pastuerella sp-Gram —ve bacilli oxidase +ve causes cellulitis but no fever • Francicella sp-Gram —ve short bacillis, oxidase +ve, causes • Tularemia arthrosis but no PUD • Bartonella — Gram —ve red, oxidase +ve • Brucella, Gram —ve, short bacillis causes PUO