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dc.contributor.authorGOMES, A. F. N.
dc.contributor.authorCASTRO, F. de F. A. de
dc.contributor.authorSILVA, M. R.
dc.contributor.authorLANGE, C. C.
dc.contributor.authorRIBEIRO, J. B.
dc.contributor.authorGUIMARÃES, A. S.
dc.contributor.authorSOUZA, G. N. de
dc.date.accessioned2024-06-26T15:55:09Z-
dc.date.available2024-06-26T15:55:09Z-
dc.date.created2024-06-26
dc.date.issued2024
dc.identifier.citationVeterinary Sciences, v. 11, 233, 2024.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1165154-
dc.descriptionBovine mastitis is an important and costly disease to dairy cattle. Diagnostic methods usually performed in Brazil are somatic cell counts (SCC) and milk microbiology. Low bacteria shedding in milk implies no colony growth in microbiological tests and false negative results. Streptococcus agalactiae and Staphylococcus aureus are principal pathogens of mixed mastitis. However, S. agalactiae has a higher bacterial release from the mammary gland than S. aureus, affecting microbiological sensitivity to diagnose S. aureus. This study aimed to estimate the SCC and total bacterial count (TBC) from cows according to pathogen isolated in milk and to evaluate variation in S. aureus diagnosis by a microbiological test during S. agalactiae treatment, which is called blitz therapy. Both S. agalactiae and S. aureus presented high SCC means, although S. agalactiae showed shedding of bacteria 2.3 times greater than S. aureus. Microbiological sensitivity to S. aureus increased for 5 months during S. agalactiae treatment. The prevalence of S. agalactiae fell after 5 months of therapeutic procedures. The prevalence of S. aureus increased to 39.0. The results showed that due to high sensitivity, the polymerase chain reaction (PCR) could be used at the beginning of blitz therapy with the goal of S. agalactiae eradication from the dairy herd.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectMastite
dc.subjectContagem de células somáticas
dc.titleInterference of Streptococcus agalactiae blitz therapy in Staphylococcus aureus microbiological diagnosis in subclinical bovine mastitis.
dc.typeArtigo de periódico
dc.subject.thesagroBovino
dc.subject.thesagroDoença Animal
riaa.ainfo.id1165154
riaa.ainfo.lastupdate2024-06-26
dc.identifier.doihttps://doi.org/10.3390/vetsci11060233
dc.contributor.institutionANA FLÁVIA NOVAES GOMES, UNIVERSIDADE FEDERAL DE JUIZ DE FORA; FÚLVIA DE FÁTIMA ALMEIDA DE CASTRO, UNIVERSIDADE FEDERAL DE JUIZ DE FORA; MARCIO ROBERTO SILVA, CNPGL; CARLA CHRISTINE LANGE, CNPGL; JOAO BATISTA RIBEIRO, CNPGL; ALESSANDRO DE SA GUIMARAES, CNPGL; GUILHERME NUNES DE SOUZA, CNPGL.
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