TUCKER, Ga. — Ornithobacterium rhinotracheale (ORT) infection is a contagious disease of birds that causes respiratory distress, mortality and decreased growth. The severity of clinical signs, duration of the disease and mortality are extremely variable and are influenced by environmental factors such as poor management, inadequate ventilation, high stocking density, poor litter conditions, poor hygiene and potentially other concomitant diseases.
ORT can be associated with high economic losses in poultry due to increased mortality, condemnations, and decreased egg production and growth. Diagnosing ORT may be difficult as several other diseases present in a similar fashion. A definitive diagnosis must be based. . .
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