International Journal of Bacteriology Research
International Journal of Bacteriology Research ISSN 2932-7521 Vol. 3 (4) pp. 131-139, April, 2015. © International Scholars Journals
Full Length Research Paper
Seclusion and distinguishing proof of Mannhemia and Pasturella species from pneumonic and obviously solid cows and their antibiogram weakness design in Bedelle District, Western Ethiopia
Girma Gebre Makonnen
School of Veterinary Medicine, College of Medical and Health Sciences, Arba Minch University, Arba Minch, Ethiopia.
Accepted 6 December, 2014
The study was conducted from October 2012 to April 2013 at Bedelle district, Western Ethiopia. The aim was to isolate Mannheimia and Pasteurella species, and to assess the associated risk factors from pneumonic and apparently healthy cattle, and antibiotic susceptibility profiles of the isolates. Out of 329 samples from animals (185 nasal swabs from clinic and 144 lung tissues abattoir) examined, 50.2% was found to be positive to the disease. The bacteriological examination revealed 28 (8.51%) overall isolates of Mannheimia haemolytica (46.4%), Pasteurella multocida (39.3%) and Bibersteina trehalosi (14.3%) were recovered respectively in which 17 (9.19%) and 11 (7.63%) bacterial isolates were obtained from nasal swabs and pneumonic lungs, respectively. The higher isolation rate of M. haemolytica indicated it as the major cause in the study area. Age was found to be the potential risk factor in which young animals were highly affected. The antimicrobial susceptibility profiles of the isolates were carried out using disc diffusion method. The isolates were susceptible to most of the antibiotic disks used: amoxicillin, chloramphenicol, cephalexin, polymyxin-B, kanamycin and florifenicol. However, moderate resistance was observed to Tetracycline, Erythromycin and Penicillin-G. Thus, an integrated application of overall management and vaccination should be implemented as prevention and control measures.
Key words: Bedelle, cattle, Mannheimia, Pasteurella, pneumonic pasteurellosis, antimicrobial susceptibility test.
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