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In vitro and in vivo effectiveness and multiple drug resistance in strains of Streptococcus equi subesp. equi isolated from equines with strangles from São Paulo and Rio Grande do Sul states

Grant number: 12/04991-9
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): May 01, 2012
Effective date (End): April 30, 2013
Field of knowledge:Agronomical Sciences - Veterinary Medicine - Preventive Veterinary Medicine
Principal Investigator:Marcio Garcia Ribeiro
Grantee:Paula Gilberti Penha
Host Institution: Faculdade de Medicina Veterinária e Zootecnia (FMVZ). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil


Strangles is considered to be the most common disease of equines. In the last decades, the antimicrobial treatment of disease is based on penicillin. Currently, ceftiofur has been used in the USA as an alternative to therapy. The purpose of the present study is to investigate the antimicrobial sensitivity profile (disk diffusion) and minimal inhibitory concentration of penicillin and ceftiofur against 40-50 Streptococcus equi sub esp. equi and Streptococcus equi subesp. zooepidemicus, allied to other drugs. Furthermore, the study also will evaluate the multiple drug resistance of isolates.(AU)

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