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Abstract

The aim of the current cross-sectional study is to identify risk factors associated with infections caused by BoHV-1, BVDV, BLV and Brucella abortus in beef cattle herds bred under semi-intensive production system in São Luis Island - MA. Sixteen (16) cattle herds were selected and 160 serum blood...

Author(s)
Bezerra, N. P. C.; Bezerra, D. C.; Santos, H. P.; Pereira, H. de M.; Silva, A. L. A.
Publisher
Universidade Federal Rural do Semi-Árido (UFERSA), Mossoro, Brazil
Citation
Acta Veterinaria Brasilica, 2019, 13, 1, pp 5-12
AbstractFull Text

Bovine alphaherpesviruses 1 and 5 (BoHV-1/5) are main pathogens of respiratory, reproductive and neurological diseases in cattle. The aim of this study was to investigate the frequency of neutralizing antibodies against BoHV-1/5 in serum samples and to detect viral DNA in semen of bulls from beef ...

Author(s)
Henzel, A.; Salla, P. F.; Mascitti, A. K.; Demoliner, M.; Solyman, M. C.; Lunge, V. R.; Spilki, F. R.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2019, 71, 1, pp 197-203
Abstract

Background: The cattle industry is one of the most important Brazilian agribusiness sectors and is a strong contributor to the national economy. Annually about 44.6 million calves are bred, which makes the optimal management of these animals extremely important. Several diseases can affect the...

Author(s)
Hoppe, I. B. A. L.; Medeiros, A. S. R. de; Arns, C. W.; Samara, S. I.
Publisher
BioMed Central Ltd, London, UK
Citation
BMC Veterinary Research, 2018, 14, 208, pp (27 June 2018)
Abstract

Objective. The aim of this study was to determine the presence of Bovine herpesvirus - 1 (BoHV-1) and Bovine herpesvirus 5 (BoHV-5) neutralizing antibodies in herds on the Colombian high plains and their correlation with the level of cross-protection against both herpesviruses. Materials and...

Author(s)
Vargas B., D.; Bohárquez G., A.; Parra A., J.; Jaime C., J.; Gángora O., A.
Publisher
University of Cordoba, Monteria, Colombia
Citation
Revista MVZ Cordoba, 2016, 21, 2, pp 5381-5389
AbstractFull Text

Bovine respiratory disease (BRD) is a complex multifactorial and multi-etiological disease entity that is responsible for the morbidity and mortality particularly in feedlot cattle from North America. Information relative to the occurrence of BRD in Brazil and the associated infectious agents are...

Author(s)
Headley, S. A.; Balbo, L. C. de; Alfieri, A. F.; Saut, J. P. E.; Baptista, A. L.; Alfieri, A. A.
Publisher
Universidade Estadual de Londrina, Londrina, Brazil
Citation
Semina: Ciências Agrárias (Londrina), 2017, 38, 1, pp 283-293
AbstractFull Text

The aim of this study is to investigate the presence of antibodies against these viruses in cattle from some counties of the Rio Grande do Sul (RS), Brazil. 415 bovine serum samples collected in 2015 year to detect neutralizing antibodies against BEV and BAV by Virus neutralization (VN) assay were...

Author(s)
Gras, C. K.; Demoliner, M.; Eisen, A. K. A.; Spilki, F. R.; Henzel, A.
Publisher
Universidade Federal do Rio Grande do Sul, Faculdade de Veterinária, Porto Alegre, Brazil
Citation
Acta Scientiae Veterinariae, 2017, 45, pp 1463
Abstract

The presence of bovine herpesvirus 1 (BoHV-1) was examined in 110 samples of bovine nasal swabs collected between October 2007 and November 2015. BoHV-1 was detected in four samples by virus isolation and polymerase chain reaction (PCR). The phylogenetic analysis of glycoprotein B (gB) gene...

Author(s)
Nišavić, J.; Knežević, A.; Stanojević, M.; Milić, N.; Radalj, A.
Publisher
École Nationale Vétérinaire de Toulouse, Toulouse, France
Citation
Revue de Médecine Vétérinaire, 2018, 169, 7/9, pp 180-184
Abstract

Two experiments were conducted to evaluate the impact of two vaccines on the reproductive performance of multiparous beef cows in Mato Grosso do Sul, Midwest Brazil. In Experiment 1,765 calved multiparous Nellore cows were subjected to the same fixed-time artificial insemination (FTAI) protocol and ...

Author(s)
Ferreira, L. C. L.; Fernandes, H. J.; Silva, A. G.; Fernandes, C. E.; Dutra, I. S.; Pupin, R. C.; Lemos, R. A. A.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2018, 38, 3, pp 456-461
AbstractFull Text

The prevalence of latent infection with BoHV-1 or BoHV-5 in beef cattle raised in the state of Paraná, Brazil, was studied. The trigeminal ganglia were collected in a slaughterhouse from 400 healthy cattle, 18 to 36 months old, raised in 90 farms located in distinct geographical regions of the...

Author(s)
Oliveira, R. A. M.; Lorenzetti, E.; Alfieri, A. A.; Lisbôa, J. A. N.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2015, 67, 5, pp 1217-1225
Abstract

The objective of this work was to investigate the presence of bovine herpesvirus type 1 (BoHV-1) in follicular fluid and in cumulus-oocyte complexes (COC) recovered from naturally infected cows but with no clinical signs of the disease. Cows that were seropositive (n=38) or seronegative (n=8,...

Author(s)
Oliveira, A. P.; Heinemann, M. B.; Cortez, A.; Nascimento, P. M. P. do; Leite, R. C.; Viana, J. H. M.
Publisher
Empresa Brasileira de Pesquisa Agropecuária - Embrapa, Brasilia, Brazil
Citation
Pesquisa Agropecuária Brasileira, 2016, 51, 5, pp 676-679

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