Ornithobacterium_rhinotracheale
Ornithobacterium rhinotracheale
Species of bacterium
Ornithobacterium rhinotracheale, or ORT, is a bacterium that causes respiratory disease in poultry. It can cause disease in birds of all ages and is potentially fatal.[2] O. rhinotracheale is found worldwide, and the bacterium may be spread between birds either horizontally or vertically. It is not a zoonosis.