Ornithobacterium Rhinotracheale (O. Rhinotracheale, ORT) infections can cause acute highly contagiousdiseases in poultry, which can be associated with high economic losses due to an increase in mortality rates,condemnation rates, drop in egg production or due to a decrease of the performance results. Up to now, ORT has notbeen found to be of public health significance. Ornithobacterium Rhinotracheale (ORT) is a pathogen best knownfor causing respiratory tract infections, such as airsacculitis and pneumonia, in birds all over the world. ORT can bea primary or secondary etiological agent depending on strain virulence, adverse environmental factors, the immunestate of the flock, and the presence of other infectious agents). The pathogen may cause systemic diseases such ashepatitis, joint lesions, and cerebrovascular pathology or could lead to economic losses due to growth retardationand the rejection of carcasses for consumption. Ornithobacterium Rhinotracheale (ORT) has been firstly isolatedfrom broiler chickens). Recently ORT has been isolated from ducks, goose, ostrich, pheasants, pigeons, quails, rookand turkey. In many countries of the world, ORT has been incriminated as a possible additional causative agent inrespiratory disease complex in poultry. The organism causes substantial financial losses due to high rates ofcondemnation up to 50% in slaughtered affected flocks Ornithobacterium Rhinotracheale was defined as Gramnegative, highly pleomorphic, non-motile, non sporulating bacteria Ornithobacterium Rhinotracheale (ORT)Infection in Poultry.
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