SEROLOGICAL SURVEY, ISOLATION AND ANTIBIOTIC SENSITIVITY OF ORNITHOBACTERIUM RHINOTRACHEALE IN BROILER BREEDER FLOCKS OF GUILAN PROVINCE

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ASADPOUR Y.A.; BOZORG MEHRIFARD M.H.; POURBAKHSH S.A.; BANANI M.; CHARKHKAR S.

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Journal: SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL Year:2009 | Volume:4 | Issue:4 (21) Page(s): 14-21

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Title

SEROLOGICAL SURVEY, ISOLATION AND ANTIBIOTIC SENSITIVITY OF ORNITHOBACTERIUM RHINOTRACHEALE IN BROILER BREEDER FLOCKS OF GUILAN PROVINCE

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Keywords

ORNITHOBACTERINM RHINOTRACHEALEQ2

SEROLOGYQ2

ISOLATIONQ2

ANTIBIOTIC SENSTITIVITYQ2

BROILER BREEDERQ3

Abstract

Ornithobacterium rhinotracheale (ORT) is described as one of the bacterial agents which cause respiratory disease, growth retardation, mortality and decrease of egg production in fowl. The aims of the present study were to isolate, determine the seroprevalence, drug susceptibility in BROILER BREEDER of Guilan province.In this study, 460 serum samples and 220 tracheal swabs (22 samples), 90 ovaries and oviducts swabs, (15 samples), 90 misshapen egg shells swabs (15 samples) were collected from 22 BROILER BREEDER flocks of 5 companies. Serological survey results showed that all of the 22 flocks (100%) were positive for ORT infection by ELISA. Out of the 460 serum samples, in each individual flock only 289 (62/83%) of the birds were positive for Ornithobacterium rhinotracheale infection. Statistical analysis was done by SPSS software and k2 test. There was significant correlation between flock different ages and ORT titers (p<0.05), but statistically correlation of flock ages and ORT isolates, isolates and ORT titers were not significantly different (p>0.05). The bacteria were isolated from tracheal swabs of 5 flocks (22/73% of 22 samples or 2/73% of 220 tracheal swabs) in blood agar culture which contains 5% sheep erythrocytes and Gentamycin at 5-7/5% CO2 atmosphere incubation, All the isolates were determined serotype A by RAT. Drug sensitivity test using standard disk diffusion technique was performed with 27 antibiotics. All the isolates were susceptible (100%) to Ceftriaxon, Ceftizoxim, Ceftiofur, Ciprofloxacin, Enrofloxacin, Difloxacin, Flumequine, Tylosin, Tiamulin, Tetracycline, Chloramphenicol, Nitrofurantoin, Furaltadon and 100% of isolates were resistant to Cephalexin, Erythromycin, Gentamycin, Neomycin, Penicillin, Ampicillin, Colistin, Sulfametoxazol-trimetoprim. 80% of the isolales were susceptible to Doxycyclin, and 40% to furazolidon, 80% of the isolates were resistant to Lincomycin and 60% were moderately sensitive to Lincospectin. This study is the first report of prevalence rate of ORT, bacterial ISOLATION, drug susceptibility of bacteria in Guilan province.

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APA: Copy

ASADPOUR, Y.A., BOZORG MEHRIFARD, M.H., POURBAKHSH, S.A., BANANI, M., & CHARKHKAR, S.. (2009). SEROLOGICAL SURVEY, ISOLATION AND ANTIBIOTIC SENSITIVITY OF ORNITHOBACTERIUM RHINOTRACHEALE IN BROILER BREEDER FLOCKS OF GUILAN PROVINCE. SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL, 4(4 (21)), 14-21. SID. https://sid.ir/paper/97063/en

Vancouver: Copy

ASADPOUR Y.A., BOZORG MEHRIFARD M.H., POURBAKHSH S.A., BANANI M., CHARKHKAR S.. SEROLOGICAL SURVEY, ISOLATION AND ANTIBIOTIC SENSITIVITY OF ORNITHOBACTERIUM RHINOTRACHEALE IN BROILER BREEDER FLOCKS OF GUILAN PROVINCE. SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL[Internet]. 2009;4(4 (21)):14-21. Available from: https://sid.ir/paper/97063/en

IEEE: Copy

Y.A. ASADPOUR, M.H. BOZORG MEHRIFARD, S.A. POURBAKHSH, M. BANANI, and S. CHARKHKAR, “SEROLOGICAL SURVEY, ISOLATION AND ANTIBIOTIC SENSITIVITY OF ORNITHOBACTERIUM RHINOTRACHEALE IN BROILER BREEDER FLOCKS OF GUILAN PROVINCE,” SCIENTIFIC-RESEARCH IRANIAN VETERINARY JOURNAL, vol. 4, no. 4 (21), pp. 14–21, 2009, [Online]. Available: https://sid.ir/paper/97063/en

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