Bacterial Contaminants and Antimicrobial Susceptibility Profile of Boar Semen in Southern Brazil Studs

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Bacterial Contaminants and Antimicrobial Susceptibility Profile of Boar Semen in Southern Brazil Studs

Authors
  • E. Bennemann, Paulo1
  • A. Machado, Sergio1
  • K. Girardini, Lilian1
  • Sonálio, Karina2
  • A. Tonin, Alexandre3
Type
Published Article
Journal
Revista Mvz Córdoba
Publisher
Universidad de Cordoba
Publication Date
May 01, 2018
Accepted Date
Oct 01, 2017
Volume
23
Issue
2
Pages
6637–6648
Identifiers
DOI: 10.21897/rmvz.1338
Source
MyScienceWork
Keywords
License
Green

Abstract

Objective. To assess the microbiological profile in seven Boar Studs (BS) in Southern Brazil, as well as evaluate antimicrobial susceptibility response to most commonly found microorganisms in BS. Materials and methods. Bacteriologic analysis was carried out in samples from the water purification system, semen extender, raw and stored semen, lab benches, and other working surfaces. Results. Growth of a mixed bacterial population was observed in water samples from all but one BS. Approximately 85% of the BS had significant contamination on their working surfaces with at least one bacterial contaminant. A total of 86% of raw semen samples were contaminated with one or more different bacteria, while 100% of the boar studs provided contaminated samples. Bacterial susceptibility to antimicrobial agents varied from over 80% for gentamycin, neomycin and ceftiofur to 40% or less for penicillin and lincomycin. Conclusions. The identification of the critical points provides necessary support to devise better strategies to minimize contamination in BS. Also, assessing the level of antimicrobial drug resistance offers accurate information to formulate more efficient antibacterial protocols that closely observe the rational use of antibiotics.

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