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Abstract

Although prevalent, the exact impact of infectious diseases on reproductive failures remains to be determined. Among them, leptospirosis has commonly been reported as cause of abortions on outbreaks. Nevertheless, the majority of the animals present a chronic, silent form of the disease, which is...

Author(s)
Libonati, H. A.; Santos, G. B.; Souza, G. N.; Brandão, F. Z.; Lilenbaum, W.
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Tropical Animal Health and Production, 2018, 50, 7, pp 1625-1629
Abstract

Leptospirosis is a cosmopolitan infectious disease that causes severe reproductive disorders in cattle, especially those related to abortion. This disease has rodents as main reservoirs; however, cattle are responsible for maintenance of the disease. Thus, the aim of this study was to identify the...

Author(s)
Fávero, J. F.; Araújo, H. L. de; Lilenbaum, W.; Machado, G.; Tonin, A. A.; Baldissera, M. D.; Stefani, L. M.; Silva, A. S. da
Publisher
Elsevier Ltd, Oxford, UK
Citation
Microbial Pathogenesis, 2017, 107, pp 149-154
Abstract

The aim of the present study was to describe the strategies of the control of an outbreak of leptospiral infection in dairy cattle in Maranhão State, Northeastern Brazil. In the period from January to July 2015, 18 (17%) out of 106 cows presented abortion, six (5.7%) stillbirth, and 12 (11.3%)...

Author(s)
Pimenta, C. L. R. M.; Costa, D. F. da; Silva, M. L. C. R.; Pereira, H. D.; Araújo Júnior, J. P.; Malossi, C. D.; Ullmann, L. S.; Alves, C. J.; Azevedo, S. S. de
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Tropical Animal Health and Production, 2019, 51, 1, pp 237-241
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

Frequently, leptospirosis is related to reproductive problems in livestock, such as abortion, increased embryonic mortality and stillbirths. Unfortunately, there are few reports addressing the prevalence of the disease in cattle in the North of Mato Grosso State (MT), Brazil. The aim of the present ...

Author(s)
Santos, R. dos; Oliveira, J. A. de; Lopes, F.; Castro, B. G. de; Rodrigues, R. O.; Nicolino, R. R.; Lopes, L. B.
Publisher
Universidade Federal Rural de Pernambuco, Recife, Brazil
Citation
Medicina Veterinária (Brasil), 2018, 12, 4, pp 276-282
Abstract

The frequency of Neospora spp., Leptospira spp. and Brucella abortus infections in adult cattle was determined in herds of the State of Pará, Brazil, which is an important region for cattle production located in the Amazon region. A total of 3466 adult female cattle from 176 herds were tested,...

Author(s)
Chiebao, D. P.; Valadas, S. Y. O. B.; Minervino, A. H. H.; Castro, V.; Romaldini, A. H. C. N.; Calhau, A. S.; Souza, R. A. B. de; Gennari, S. M.; Keid, L. B.; Soares, R. M.
Publisher
Wiley-Blackwell, Berlin, Germany
Citation
Transboundary and Emerging Diseases, 2015, 62, 5, pp e30-e36
Abstract

This study investigated the participation of infectious agents in spontaneous abortions and reproductive problems at eight dairy cattle herds from three geographical regions of Brazil. Fourteen aborted fetuses and the organ sections of one cow with history of repeated abortions were received for...

Author(s)
Headley, S. A.; Voltarelli, D.; Oliveira, V. H. S. de; Bronkhorst, D. E.; Alfieri, A. F.; Negri Filho, L. C.; Okano, W.; Alfieri, A. A.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2015, 47, 2, pp 403-413
Abstract

Most epidemiologic studies on bovine leptospirosis are based on serological tests that use antibodies against several serotypes, including the serovar Hardjo, which is widespread and considered to be the most adapted to bovine hosts. However, using only serological studies is not sufficient to...

Author(s)
Chideroli, R. T.; Pereira, U. P.; Gonçalves, D. D.; Nakamura, A. Y.; Alfieri, A. A.; Alfieri, A. F.; Freitas, J. C.
Publisher
FUNPEC, Brazil
Citation
Genetics and Molecular Research, 2016, 15, 1, pp 15018473
Abstract

Leptospirosis in cattle is characterized by causing significant economic losses due to reproductive problems as well as drop in production of meat and milk. Subsequent abortion may be caused by the persistence of the agent in the reproductive tract and thus become a possible transmission source....

Author(s)
Oliveira, F. S.; Oliveira, D. de; Martins Filho, E. F.; Costa, F.; Ristow, P.; Pinna, M. H.; Lilenbaum, W.
Publisher
Sociedade de Medicina Veterinária do Estado do Rio de Janeiro, Rio de Janerio, Brazil
Citation
Revista Brasileira de Medicina Veterinária, 2016, 38, Suppl. 1, pp 163-167
Abstract

Leptospirosis is a zoonotic disease that occurs worldwide, particularly in tropical countries. In livestock the agent is responsible for reproductive problems such as infertility and abortion. Serogroup Sejroe, particularly serovar Hardjo, prevails in cattle in several regions. The microscopic...

Author(s)
Pinto, P. S.; Loureiro, A. P.; Penna, B.; Lilenbaum, W.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Acta Tropica, 2015, 149, pp 163-167

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