Hemagglutinating Activity of Serovar Reference Strains of Ornithobacterium Rhinotracheale
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منابع مشابه
Vaccination of chickens against Ornithobacterium rhinotracheale infection.
Vaccination of young broilers with inactivated vaccines against experimental Ornithobacterium rhinotracheale challenge was found to be effective, but the results of vaccination were influenced, in a negative way, by the presence of maternal antibodies. The use of a strong adjuvant, such as mineral oil, in a bacterin was necessary to obtain good protection when maternal antibodies were present. ...
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The antimicrobial susceptibility of 19 Bordetella avium and 36 Ornithobacterium rhinotracheale strains was tested by the Kirby-Bauer disk diffusion method, and the minimal inhibitory concentrations (MIC) of amoxicillin, doxycycline and erythromycin were also determined. Most O. rhinotracheale strains were resistant to nalidixic acid, sulphamethoxazole-trimethoprim and gentamicin, and were susce...
متن کاملIsolation and characterization of small-colony variants of Ornithobacterium rhinotracheale.
Ornithobacterium rhinotracheale is a Gram-negative bacterium associated with respiratory diseases in many avian species, with worldwide distribution, and it causes significant economic loss to the poultry industry. In this study, the isolation and characterization of O. rhinotracheale small-colony variants (SCVs) are described for the first time. O. rhinotracheale isolates (n = 27) were recover...
متن کاملCharacterization of Ornithobacterium rhinotracheale Isolates from Commercial Chickens
Ornithohac/erium rhino/rachea/e (ORT) is a relatively rceently diseovered bacterium. which it is associated with respiratory diseases, Tracheal samplcs from carcasses of 100 roultry tlocks submitted to Razi Institute were examined for ORT isolation. Ali these tlocks were affected with respiratory disorders. Colonies of ORT were detected after 24h of incubation and identification of ORT isolates...
متن کاملRandom amplified polymorphic DNA (RAPD) analysis of Ornithobacterium rhinotracheale strains isolated from chickens in Turkey
Six field strains of Ornithobacterium rhinotracheale isolated from chickens in Elazig province located in the East of Turkey were typed by serotyping and random amplified polymorphic DNA assay using a random primer (OPG-11). Using the AGP test used for serotyping, serotype A was found to be the predominant serotype, only one strain was serotyped as serotype B. By RAPD assay, the tested ORT stra...
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ژورنال
عنوان ژورنال: Journal of Veterinary Diagnostic Investigation
سال: 2008
ISSN: 1040-6387,1943-4936
DOI: 10.1177/104063870802000317