BIOCHEMICAL CHARACTERIZATION AND ANTIBIOTICS SENSIBILITY OF BACTERIA AGENTS RESPONSIBLE FOR OVINE SUBCLINICAL MASTITIS IN WEST REGION OF THE SANTA CATARINA
DOI:
https://doi.org/10.5216/cab.v11i1.5189Keywords:
mastitis, microorganisms, antimicrobial resistance, test WhitesideAbstract
Ovine mastitis is an infectious disease associated to economic losses in dairy and meat sheep. The present study aims to determine the antimicrobial drug patterns of the most frequent etiologic agents of ovine mastitis. We analyzed 163 milk samples using Whiteside test, besides the bacteriological culture in ovine blood agar 5% (AS). From 163 analyzed samples 23.31% and 14.72% were positive and strongly positive, according to the Whiteside test. The most frequent etiologic agents of ovine mastitis isolated in the present study were: Staphylococcus spp. (31.39%), Acinetobacter spp. (10.50%), Enterobacter aerogenes (10.50%), Escherichia coli (8.20%) and Aeromonas spp. (6.70%). The sensitivity patterns to antimicrobial drugs showed high variation. The small sensitivity was observed to novobiocin (10.46%). The higher sensitivity was detected to lyncomicin + streptomicin association (86.02%). In our study we conclude that Staphylococcus spp. are the most frequent bacterial agents envolved in subclinical mastitis in sheep. The association of lyncomicin + streptomicin and josamicin + thrimetoprin were more efficient in vitro sensitivity tests.KEY WORDS: Mastitis, microrganisms, antimicrobial resistance, Whiteside test.
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Published
2010-04-01
How to Cite
DRESCHER, G.; MATTIELLO, S. P.; PEIXOTO, R. M.; VARGAS, A. C.; MACIEL, M. N.; COSTA, M. M. BIOCHEMICAL CHARACTERIZATION AND ANTIBIOTICS SENSIBILITY OF BACTERIA AGENTS RESPONSIBLE FOR OVINE SUBCLINICAL MASTITIS IN WEST REGION OF THE SANTA CATARINA. Brazilian Animal Science/ Ciência Animal Brasileira, Goiânia, v. 11, n. 1, p. 188–193, 2010. DOI: 10.5216/cab.v11i1.5189. Disponível em: https://revistas.ufg.br/vet/article/view/5189. Acesso em: 21 nov. 2024.
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Veterinary Medicine
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