ISOLATING OF ORNITHOBACTERIUM RHINOTRACHEALE (ORT) FROM BROILER CHICKENS IN AHVAZ CITY

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JAMSHIDIAN MAHMOUD; MAYAHI M.

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Journal: SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL Year:2009 | Volume:4 | Issue:4 (21) Page(s): 29-36

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Title

ISOLATING OF ORNITHOBACTERIUM RHINOTRACHEALE (ORT) FROM BROILER CHICKENS IN AHVAZ CITY

Author(s)

JAMSHIDIAN MAHMOUD | MAYAHI M. | Issue Writer Certificate

Keywords

ORNITHOBACTERIUM RHINOTRACHEALEQ2

BROILER CHIKENQ2

AHVAZQ2

Abstract

Ornihtobacterium rhinotracheale has been repeatedly found to be the cases of some countries. In Iran, several studies showed that the bacteria have been isolated only from broiler chickens with respiratory signs, but not from healthy birds. In this study, the presence of ORT in healthy avian population in AHVAZ region was investigated. A total of 483 tracheal swab samples were randomly obtained from chickens sent to slaughter house (254 samples), chickens in two poultry farms (200) and those referred to poultry clinic (29). Swabs were streaked on to 5% sheep blood agar with and without gentamycin (5.2 mic.g./ml). The agar plates were incubated microaerobically (candle jar) at 37°C for 48 hrs. Small gray colonies that were oxidase positive, catalase negative and gram negative polymorphic rod were suspected to be ORT. The isolates were identified based on conventional biochemical reactions. ORT isolates were confirmed by slide serogalutination test with specific antisera. Twenty two (8.66%) isolates were obtained from 254 samples taken from slaughter house, 2 (1.73%) isolates belonged to 200 cases of poultry flocks and from 29 samples of clinical cases, 4 (13.7%) of isolates came out to be ORTAll isolates subjected to antibacterial susceptibility test by Kirby-Bauer disc diffusion method. All of the isolates were resistant to gentamycin and trimethoprime sulfamethaxazol, but susceptible to ampicillin and chloramphenicol. All isolates showed relative susceptibility to erythromycin (3.57%) and penicillin (89.28%). It is concluded that almost 8% of broiler chickens of the flocks of this region carry the ORT in their respiratory tract.

Cites

THE PHYLOGENETIC ANALYSIS OF SOME ORNITHOBACTERIUM RHINOTRACHEALE ISOLATES FROM INDUSTRIAL CHICKEN FLOCKS OF ALBORZ PROVINCE

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APA: Copy

JAMSHIDIAN, MAHMOUD, & MAYAHI, M.. (2009). ISOLATING OF ORNITHOBACTERIUM RHINOTRACHEALE (ORT) FROM BROILER CHICKENS IN AHVAZ CITY. SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL, 4(4 (21)), 29-36. SID. https://sid.ir/paper/97058/en

Vancouver: Copy

JAMSHIDIAN MAHMOUD, MAYAHI M.. ISOLATING OF ORNITHOBACTERIUM RHINOTRACHEALE (ORT) FROM BROILER CHICKENS IN AHVAZ CITY. SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL[Internet]. 2009;4(4 (21)):29-36. Available from: https://sid.ir/paper/97058/en

IEEE: Copy

MAHMOUD JAMSHIDIAN, and M. MAYAHI, “ISOLATING OF ORNITHOBACTERIUM RHINOTRACHEALE (ORT) FROM BROILER CHICKENS IN AHVAZ CITY,” SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL, vol. 4, no. 4 (21), pp. 29–36, 2009, [Online]. Available: https://sid.ir/paper/97058/en

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