Antimicrobial sensitivity of Avibacterium paragallinarum isolates from four Latin American countries

Luna-Galaz, G. A., Morales-Erasto, V., Penuelas-Rivas, C. G., Blackall, P. J. and Soriano-Vargas, E. (2016) Antimicrobial sensitivity of Avibacterium paragallinarum isolates from four Latin American countries. Avian Diseases, 60 3: 673-676. doi:10.1637/11398-022616-ResNote.1


Author Luna-Galaz, G. A.
Morales-Erasto, V.
Penuelas-Rivas, C. G.
Blackall, P. J.
Soriano-Vargas, E.
Title Antimicrobial sensitivity of Avibacterium paragallinarum isolates from four Latin American countries
Formatted title
Antimicrobial sensitivity of Avibacterium paragallinarum isolates from four Latin American countries
Journal name Avian Diseases   Check publisher's open access policy
ISSN 0005-2086
1938-4351
Publication date 2016-09-01
Sub-type Article (original research)
DOI 10.1637/11398-022616-ResNote.1
Open Access Status Not yet assessed
Volume 60
Issue 3
Start page 673
End page 676
Total pages 4
Place of publication Jacksonville, FL, United States
Publisher American Association of Avian Pathologists
Language eng
Subject 3403 Food Animals
1103 Animal Science and Zoology
2400 Immunology and Microbiology
Abstract The antimicrobial sensitivity of 11 reference strains and 66 Avibacterium paragallinarum isolates from four Latin American countries was investigated. All 11 reference strains were sensitive to amoxicillin-clavulanic acid, ampicillin, fosfomycin, gentamicin, kanamycin, neomycin, penicillin, tetracycline, and trimethoprim-sulfamethoxazole. The 11 reference strains were all resistant to lincomycin. All isolates (100%) from Mexico, Panama, and Peru were sensitive to amoxicillin-clavulanic acid, ampicillin, and fosfomycin. The Ecuadorian isolates showed some level of resistance to all 16 agents tested. The Ecuadorian isolates were significantly more sensitive to erythromycin, lincomycin, and streptomycin, and significantly more resistant to gentamicin, kanamycin, penicillin, and tetracycline, than the Mexican isolates. A total of 57.5% (38/66) of tested isolates were multi-drug resistant (MDR), with 16 MDR patterns detected in 88.4% (23/26) of the antimicrobial-resistant isolates from Ecuador, and 8 MDR patterns detected in 42.8% (15/35) of the antimicrobial-resistant isolates from Mexico. In conclusion, the variation in antimicrobial sensitivity patterns between isolates from Ecuador and Mexico emphasizes the importance of active, ongoing monitoring of A. paragallinarum isolates.
Formatted abstract
The antimicrobial sensitivity of 11 reference strains and 66 Avibacterium paragallinarum isolates from four Latin American countries was investigated. All 11 reference strains were sensitive to amoxicillin-clavulanic acid, ampicillin, fosfomycin, gentamicin, kanamycin, neomycin, penicillin, tetracycline, and trimethoprim-sulfamethoxazole. The 11 reference strains were all resistant to lincomycin. All isolates (100%) from Mexico, Panama, and Peru were sensitive to amoxicillin-clavulanic acid, ampicillin, and fosfomycin. The Ecuadorian isolates showed some level of resistance to all 16 agents tested. The Ecuadorian isolates were significantly more sensitive to erythromycin, lincomycin, and streptomycin, and significantly more resistant to gentamicin, kanamycin, penicillin, and tetracycline, than the Mexican isolates. A total of 57.5% (38/66) of tested isolates were multi-drug resistant (MDR), with 16 MDR patterns detected in 88.4% (23/26) of the antimicrobial-resistant isolates from Ecuador, and 8 MDR patterns detected in 42.8% (15/35) of the antimicrobial-resistant isolates from Mexico. In conclusion, the variation in antimicrobial sensitivity patterns between isolates from Ecuador and Mexico emphasizes the importance of active, ongoing monitoring of A. paragallinarum isolates.
Keyword Antimicrobial sensitivity
Avibacterium paragallinarum
Infectious coryza
Poultry
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: HERDC Pre-Audit
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