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AbstractFull Text

The bovine mastitis is mainly caused by microorganisms and presents itself as the most common cause of productivity and milk quality decline. This study aims to identify the major mastitis pathogens and their antimicrobial susceptibility profile in cattle of southwest of Goiás State, Brazil....

Author(s)
Stella, A. E.; Oliveira, A. F. de; Moreira, C. N.; Souza, C. M. de; Ventura, G. F.
Publisher
Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, Brazil
Citation
Veterinária e Zootecnia, 2017, 24, 4, pp 754-762
AbstractFull Text

Antimicrobial resistance is currently one of authorities' major concerns in healthcare, mainly due to the danger that may arise from multiresistant strains in situations of contamination and infection of patients in hospital settings. The origin of this resistance is linked to the dynamics of...

Author(s)
Stella, A. E.; Oliveira, A. F. de; Moreira, C. N.; Bartoli, R. B. M.; Silva, V. L. D. da
Publisher
Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, Brazil
Citation
Veterinária e Zootecnia, 2017, 24, 4, pp 746-753
AbstractFull Text

This study determined the distribution of stx1 and stx2 genes in Escherichia coli isolated from dairy herds with regard to animal age, season, and farm production-scale, and analyzed the phylogenetic distribution of the groups A, B1, B2, and D of 276 isolates of bovine feces Shiga toxin-producing ...

Author(s)
Ferreira, M. R. A.; Stella, A. E.; Freitas Filho, E. G.; Silva, T. S.; Nascimento, K. A.; Pinto, J. F. N.; Dias, M.; Moreira, C. N.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2018, 70, 6, pp 1807-1813
AbstractFull Text

Escherichia coli infection is one of the biggest causes of diarrhea in animals. E. coli verotoxigenic (STEC) refers to all samples that contain stx1 and stx2 genes which are able to produce toxins that present cytotoxic effect on Vero cells. The bovine specie constitutes the most important...

Author(s)
Moreira, C. N.; Freitas Filho, E. G.; Morais, L. C. S.; Ferreira, M. R. A.; Pinto, J. F. N.; Silva, A. H. G. da; Conceição, F. R.
Publisher
Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, Brazil
Citation
Veterinária e Zootecnia, 2011, 18, 4, Supl. 3, pp 815-818
AbstractFull Text

In order to evaluate and compare the functional neutrophil activity in dairy cows with contagious and environmental mastitis, naturally infected by Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Klebsiella and Citrobacter, eight dairy cows were observed for 4 months. The animals...

Author(s)
Ferreira, M. R. A.; Nascimento, K. A.; Freitas Filho, E. G.; Morais, L. C. S.; Souto, C. N.; Rodrigues, E. de O.; Moreira, C. N.
Publisher
Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, Brazil
Citation
Veterinária e Zootecnia, 2011, 18, 4, Supl. 3, pp 1100-1103
Abstract

Rectal swabs of 198 Holstein × Gir crossbred beef cattle from 34 milk farms in the central west of Brazil were analyzed from August 2010 to February 2011. Strains of shiga toxin-producing Escherichia coli (STEC) were isolated from 72.73% (144/198) of the animals, on over 97% of the surveyed...

Author(s)
Ferreira, M. R. A.; Freitas Filho, E. G.; Pinto, J. F. N.; Dias, M.; Moreira, C. N.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2014, 46, 4, pp 635-639
Abstract

Enterohemorrhagic Escherichia coli (EHEC) serotype O157:H7 represents the major Shiga toxin-producing E. coli (STEC) strain related to large outbreaks and severe diseases such as hemorrhagic colitis (HC) and the potentially lethal hemolytic uremic syndrome (HUS). The aim of this study was to report ...

Author(s)
Freitas Filho, E. G.; Ferreira, M. R. A.; Pinto, J. F. N.; Conceição, F. R.; Moreira, C. N.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2014, 34, 1, pp 24-28
AbstractFull Text

Escherichia coli infection is one of the biggest causes of diarrhea in animals. E. coli verotoxigenic (STEC) refers to all samples that contain stx1 and stx2 genes which are able to produce toxins that present cytotoxic effect on Vero cells. The bovine specie constitutes the most important...

Author(s)
Morais, L. C. S.; Freitas Filho, E. G.; Ferreira, M. R. A.; Pinto, J. F. N.; Moreira, Â. N.; Moreira, C. N.
Publisher
Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, Brazil
Citation
Veterinária e Zootecnia, 2011, 18, 4, Supl. 3, pp 693-696
Abstract

Aims: To determine the prevalence of Shiga toxin-producing Escherichia coli (STEC) and serotypes and virulence markers of the STEC isolates from beef and dairy cattle in Rio Grande do Sul, Brazil. Methods and Results: Faecal samples from beef cattle were collected at slaughterhouses. The isolates...

Author(s)
Timm, C. D.; Irino, K.; Gomes, T. A. T.; Vieira, M. M.; Guth, B. E. C.; Vaz, T. M. I.; Moreira, C. N.; Aleixo, J. A. G.
Publisher
Blackwell Publishing, Oxford, UK
Citation
Letters in Applied Microbiology, 2007, 44, 4, pp 419-425
Abstract

Over a period of 1 year, the production of verotoxin was investigated in 1127 Escherichia coli isolated from 243 dairy cattle from 60 small farms in southern Brazil. Vero cell assay was used to detect toxins in culture supernatants from E. coli isolated from bovine faeces Shiga toxin-producing E....

Author(s)
Moreira, C. N.; Pereira, M. A.; Brod, C. S.; Rodrigues, D. P.; Carvalhal, J. B.; Aleixo, J. A. G.
Publisher
Elsevier Science B.V., Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2003, 93, 3, pp 179-183

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