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Ocorrência e caracterização de estafilococos coagulase negativos em mastite subclínica bovina no norte do Paraná, Brasil
Author(s) -
Vanerli Beloti,
Ernst Eckehardt Müller,
Jane Megid,
Lindolfo Coelho Rocha,
Elena Mettifogo,
Júlio César de Freitas
Publication year - 1991
Publication title -
semina. ciências agrárias
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.268
H-Index - 25
eISSN - 1679-0359
pISSN - 1676-546X
DOI - 10.5433/1679-0359.1991v12n1p49
Subject(s) - coagulase , mastitis , biology , veterinary medicine , microbiology and biotechnology , staphylococcus , medicine , staphylococcus aureus , bacteria , genetics
Foram examinadas 493 vacas da raça holandesa através do "California Mastitis Test" (CMT) na região Norte do Paraná, com o objetivo de estudar a ocorrência de estafilococos coagulase negativos em mastite subclínica bovina. Destas, 150 (30,4%) foram positivas em um ou mais quartos, perfazendo um total de 225 amostras de leite. Em 98 (43,5%) das culturas foram isolados estafilococos sendo 40 (40,8%) coagulase negativos. Do total de animais pesquisados 37 (7,5%) apresentaram estafilococos e coagulase negativos. Nas provas bioquímicas convencionais e pelo API Staph System foram identificados a nível de espécie 29 (72, 5%) e 30 (75, 0%) culturas respectivamente. Pelos dois esquemas houve uma predominância de S. hyicus, S. chromogenes e S. epidermidis.    A total of 493 hollanders cows were examinated through California Mastitis Test (CMT) in the North region of Paraná, with target of studing the occurence of coagulase negative staphylococci on subclinical bovine mastitis. From these ones, 150 (30,4%) were positives in one or more quarters, making up a total of 225 milk samples. In 98 (43.5%) cultures, were isolated staphylococci, being 40 (40,8%) coagulase negative. From the total of animals, 37 (7.5%) showed staphylococci coagulase negative. In the biochemical conventional proves and by API Staph System were identificated, in a species level, 29 (72,5%) and 30 (75.0%) cultures respectively. In both of the schemes there was a predominance of S. hyicus, S. chromogenes and S. epidemidis.

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