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Abstract

Serological testing and culling infected animals are key management practices aiming eradication of bovine leukemia virus infection. Here, we report the development of an indirect ELISA based on BLV recombinant capsid protein (BLVp24r) to detect anti-BLV antibodies in cattle serum. The BLVp24r was...

Author(s)
Andreolla, A. P.; Erpen, L. M. S.; Frandoloso, R.; Kreutz, L. C.
Publisher
Sociedade Brasileira de Microbiologia, São Paulo, Brazil
Citation
Brazilian Journal of Microbiology, 2018, 49, Suppl. 1, pp 68-75
Abstract

This review presents the aspects of shiga toxin-producing Escherichia coli, which are recognized worldwide as toxinfection agents in the world. Products of animal origin are often associated with outbreaks of disease, but horticultural crops can be contaminated and cause toxinfection as well. This...

Author(s)
Vitorino, D. H. L. de C.
Publisher
Higiene Alimentar, São Paulo, Brazil
Citation
Revista Higiene Alimentar, 2018, 32, 280/281, pp 57-61
Abstract

Botulism is a potentially fatal intoxication caused by botulinum neurotoxins (BoNTs) produced mainly by Clostridium botulinum. Vaccination against BoNT serotypes C and D is the main procedure to control cattle botulism. Current vaccines contain formaldehyde-inactivated native BoNTs, which have a...

Author(s)
Moreira Júnior, C.; Ferreira, M. R. A.; Cunha, C. E. P. da; Donassolo, R. A.; Finger, P. F.; Moreira, G. M. S. G.; Otaka, D. Y.; Sousa, L. A. de; Barbosa, J. D.; Moreira, Â. N.; Salvarani, F. M.; Conceição, F. R.
Publisher
MDPI AG, Basel, Switzerland
Citation
Toxins, 2018, 10, 10, pp 381
Abstract

This study describes suppurative infectious diseases of the central nervous system (CNS) in domestic ruminants of southern Brazil. Reports from 3.274 cattle, 596 sheep and 391 goats were reviewed, of which 219 cattle, 21 sheep and 7 goats were diagnosed with central nervous system inflammatory...

Author(s)
Konradt, G.; Bassuino, D. M.; Prates, K. S.; Bianchi, M. V.; Snel, G. G. M.; Sonne, L.; Driemeier, D.; Pavarini, S. P.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2017, 37, 8, pp 820-828
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
Abstract

Background: Both diarrhea in calves and mastitis in cows limit cattle production. The bacteria involved in these diseases have shown multi-resistance to antimicrobials, however plant metabolites therefore can provide an alternative method of control. This study selected and characterized Cerrado...

Author(s)
Ribeiro, I. C. de O.; Mariano, E. G. A.; Careli, R. T.; Morais-Costa, F.; Sant'Anna, F. M. de; Pinto, M. S.; Souza, M. R. de; Duarte, E. R.
Publisher
BioMed Central Ltd, London, UK
Citation
BMC Veterinary Research, 2018, 14, 32, pp (30 January 2018)
Abstract

Cattle are considered a reservoir of Shiga toxin-producing Escherichia coli (STEC). There is no information about the presence of antibodies against Shiga toxins in Brazilian bovine serum. Using ELISA, all sera tested showed antibodies against the two main STEC virulence factors; Stx1 and Stx2....

Author(s)
Yamamoto, B. B.; Luz, D.; Abreu, P. A. E.; Gotti, T. B.; Vasconcellos, S. A.; Piazza, R. M. F.; Horton, D. S. P. Q.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Toxicon, 2017, 133, pp 58-62
Abstract

Cases of cranial superficial epigastric vein (CSEV) phlebitis with subsequent septicemia were observed in dairy farms in Minas Gerais, Brazil. Autopsy on 4 affected cows, from 2 farms, revealed CSEV thrombophlebitis with perivascular abscesses, pulmonary abscesses, valvular endocarditis, arthritis, ...

Author(s)
Gonzaga, D. R. N.; Rissi, D. R.; Lages, D. H.; Carvalho, A. U.; Filho, E. F.; Meneses, R. M.; Pierezan, F.
Publisher
Sage Publications, Thousand Oaks, USA
Citation
Journal of Veterinary Diagnostic Investigation, 2019, 31, 4, pp 554-556
Abstract

This study analyzes the occurrence and distribution of phylogenetic groups of 391 strains of Escherichia coli isolated from poultry, cattle, and water buffalo. The frequency of the phylogroups was A=19%, B1=57%, B2=2.3%, C=4.6%, D=2.8%, E=11%, and F=3.3%. Phylogroups A (P<0.001) and F (P=0.018) were associated...

Author(s)
Coura, F. M.; Diniz, S. de A.; Silva, M. X.; Mussi, J. M. S.; Barbosa, S. M.; Lage, A. P.; Heinemann, M. B.
Publisher
Hindawi Publishing Corporation, New York, USA
Citation
The Scientific World Journal, 2015, 2015, pp Article ID 258424
Abstract

Escherichia coli present the ampC naturally, and the observation of phenotypical resistance to cefoxitin is related to this gene deregulation. Mutations in the regulatory region in ampC cause exaggerated expression. The most frequent alterations in the E. coli AmpC promoter/attenuator leading to...

Author(s)
Santiago, G. S.; Coelho, I. da S.; Farias, B. O. de; Alencar, T. A. de; Moreira, A. B.; Bronzato, G. F.; Souza, M. M. S. de; Castro, B. G. de; Ferreira Neto, H.; Coelho, S. de M. de O.
Publisher
Academic Journals, Lagos, Nigeria
Citation
African Journal of Microbiology Research, 2019, 13, 25, pp 388-391

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