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Abstract

Hemotropic mycoplasmas (hemoplasmas) are Gram-negative bacteria that parasitize the erythrocyte surface of a wide variety of mammals. The present study aimed at investigating the occurrence of hemoplasmas in beef cattle in the Brazilian Pantanal, an area endemic for bovine trypanosomiasis in South...

Author(s)
Mello, V. V. C. de; Ramos, I. A. de S.; Herrera, H. M.; Mendes, N. S.; Calchi, A. C.; Campos, J. B. V.; Macedo, G. C.; Alves, J. V. A.; Machado, R. Z.; André, M. R.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Comparative Immunology, Microbiology & Infectious Diseases, 2019, 66, pp 101337
Abstract

Digestive problems are important causes of diseases in cattle and studies on the frequency of its occurrence in the semiarid region of Brazil have not been conducted. The aim of this study was to acquire information on the occurrence of digestive diseases of cattle attended at the Veterinary...

Author(s)
Marques, A. L. A.; Aguiar, G. M. N.; Lira, M. A. A.; Miranda Neto, E. G.; Azevedo, S. S.; Simões, S. V. D.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2018, 38, 3, pp 407-416
Abstract

Cases of hemolytic anemia in beef cattle in an extensive breeding system in Mato Grosso and Rondônia have been monitored since 2008. The affected animals presented weakness, pale or icteric mucosas, blackened urine, prostration and anorexia. The outcome of these cases often is death, principally if ...

Author(s)
Rondelli, L. A. S.; Becker, M.; Caldeira, F. H. B.; Ribeiro, M.; Furlan, F. H.; Colodel, E. M.; Pescador, C. A.; Antoniassi, N. A. B.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2018, 38, 8, pp 1475-1483
Abstract

Bovine anaplasmosis is a major cause of production losses and deaths in Rio Grande do Sul cattle herds. Anaplasma sp. is the main causative agent of cattle disease. It causes hyperthermia, anemia, prostration, abortions and reduces milk production in affected animals. In order to control this...

Author(s)
Dalto, A. G. C.; Reck Junior, J.; Martins, J. R.; Bitencourt, A. P. G.; Feltrin, C.; Driemeier, D.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2018, 38, 6, pp 1064-1067
AbstractFull Text

This paper reports on the presence of T. vivaxin a female bovine of a dairy herd in Parnaíba county, Piauí. The animal naturally infected by Trypanosoma vivax, was a three-year-old cow from a dairy farm in the Parnaíba county, located in the north of Piauí state. The farm had a herd with 62.20% of...

Author(s)
Lopes, S. T. P.; Prado, B. da S.; Martins, G. H. C.; Beserra, H. E. A.; Sousa Filho, M. A. C. de; Evangelista, L. S. de M.; Cardoso, J. de F. S.; Mineiro, A. L. B. B.; Souza, J. A. T. de
Publisher
Universidade Federal do Rio Grande do Sul, Faculdade de Veterinária, Porto Alegre, Brazil
Citation
Acta Scientiae Veterinariae, 2018, 46, Supplement, pp 287
Abstract

Rhipicephalus microplus is a vector of cattle tick fever, a disease caused by the protozoans Babesia bovis and B. bigemina, and also anaplasmosis, produced by the Rickettsiales Anaplasma marginale. These tick-borne pathogens cause considerable losses to Brazilian livestock breeders and represent an ...

Author(s)
Giglioti, R.; Oliveira, H. N. de; Bilhassi, T. B.; Portilho, A. I.; Okino, C. H.; Marcondes, C. R.; Oliveira, M. C. de S.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2018, 250, pp 78-84
Abstract

This paper aimed to determine the frequency of diseases of the central nervous system affecting calves under 12 months of age in southern Rio Grande do Sul. A retrospective study was conducted determining the main diseases observed in this category of cattle over a period of 36 years. We reviewed...

Author(s)
Santos, B. L.; Estima-Silva, P.; Coelho, A. C. B.; Oliveira, P. A.; Soares, M. P.; Sallis, E. S. V.; Bruhn, F. R. P.; Schild, A. L.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2018, 38, 4, pp 685-691
Abstract

Among the protozoa of veterinary importance, Neospora caninum is responsible for large economic and productive losses in cattle herds, with dogs being considered the definitive hosts of the parasite. The objective of this research was to study the prevalence of anti-N. caninum antibodies and the...

Author(s)
Melo, L. R. B. de; Feitosa, T. F.; Vilela, V. L. R.; Athayde, A. C. R.; Azevedo, S. S. de; Pena, H. F. de J.
Publisher
Universidade Federal Rural do Semi-Árido (UFERSA), Mossoro, Brazil
Citation
Acta Veterinaria Brasilica, 2017, 11, 1, pp 57-62
Abstract

The aim of this study was to measure the occurrence of brucellosis, leptospirosis and neosporosis in cows from 25 family farms milk, with semi-intensive grazing system, located in the Southwest region of Paraná, Brazil. Eighty-four cows with retained placenta, between July 2013 to July 2014,...

Author(s)
Porto, Y. F.; Pinto Neto, A.; Bernardi, F.; Possa, M. G.; Mota, M. F.; Martinez, A. C.; Merlini, L. S.; Berber, R. C.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2018, 38, 8, pp 1537-1542
Abstract

A survey of cases with history of sudden death in cattle was conducted in all necropsy protocols of the Regional Diagnostic Laboratory of the Veterinary School of the Federal University of Pelotas (LRD/UFPel) from 2000 to 2014. We considered animals that had died unexpectedly without prior illness...

Author(s)
Estima-Silva, P.; Molarinho, K. R.; Marcolongo-Pereira, C.; Soares, M. P.; Sallis, E. S. V.; Ladeira, S. R. L.; Schild, A. L.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2016, 36, 1, pp 19-23

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