L. B. Leite

Universidade Federal de Minas Gerais

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P. V. B. Leite

Universidade Federal de Minas Gerais

Luísa N. Domingues

Knipling-Bushland U.S. Livestock Insects Research Laboratory

A. C. P. P. Bello

Usmanu Danfodiyo University

Arildo Pinto da Cunha

Universidade Federal de Minas Gerais

D. S. Rodrigues

Empresa de Pesquisa Agropecuária de Minas Gerais

R. P. B. Wanderley

Universidade Federal de Minas Gerais

Romário Cerqueira Leite

Universidade Estadual do Maranhão

Ana Bárbara Barros

Universidade Federal de Campina Grande

Talita Pilar Resende

The Ohio State University

A.C.C.L. Ribeiro

Brazilian Agricultural Research Corporation

Cooperative Institutions

Universidade Federal de Minas Gerais

Empresa de Pesquisa Agropecuária de Minas Gerais

Fundação de Estudo e Pesquisa em Medicina Veterinária e Zootecnia

Hospital das Clínicas da Universidade Federal de Minas Gerais

Universidade Federal do Rio de Janeiro

Universidade Federal de Uberlândia

Brazilian Agricultural Research Corporation

Fundação Oswaldo Cruz

Universidade Federal Rural do Rio de Janeiro

Instituto Biológico

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Clinical aspects and dynamics of auricular parasitosis in Gir cattle

Pesquisa Veterinária Brasileira (2013)

P. V. B. Leite L. B. Leite Arildo Pinto da Cunha Marcos Xavier Silva A. C. P. P. Bello

We evaluated the dynamics of ear infestations caused by Rhabditis spp. and Raillietia spp., which were correlated with animal age, intensity of clinical signs and climate factors. Sixty-four Gir cattle were distributed into three groups: GA - 23 calves with 4 to 6 months of age; GB - 18 calves with 7 to 12 months of age; and GC - 23 heifers with 13 to 33 months of age. Five samplings, defined as S1, S2, S3, S4 and S5 were performed every three months from August 2008 to August 2009. The ear secretion was collected using the auricular washing method for the right ear and a swab for the left ear. A clinical assessment of the animals was performed, and they were classified according to the presence and severity of otitis. The highest relative frequency of rhabditosis was 52.2% in GC at the last sampling. In the first sampling, 42.2% of the animals were infested by Raillietia spp. The older cattle were more susceptible to infestations by both parasites. No correlation of Rhabditis spp. and Raillietia spp. parasitism with climate factors was found. The results showed that both parasites could infest Gir cattle, and in most cases, there was no co-infestation. Only older animals parasitized by the nematode showed clinical signs of the disease.

Ear infection

10.1590/s0100-736x2013000300008

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Molecular identification and phylogenetic analysis of Metarhabditis blumi (Nematoda: Rhabditida)

Veterinary Parasitology (2015)

Patrícia Vieira Bossi Erika Consoli Juliana Magrinelli Osório Rosa L. B. Leite Romário Cerqueira Leite

Rhabditida

Sequence homology

Phylogenetic relationship

10.1016/j.vetpar.2015.06.014

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Jejunal hemorrhage syndrome in a Zebu cow in Brazil

Ciência Rural (2015)

Prhiscylla Sadanã Pires José Azael Zambrano Uribe A.Ú. Carvalho Rodrigo Otávio Silveira Silva Felipe Masiero Salvarani

Clostridium perfringens type A has been incriminated as the etiologic agent in jejunal hemorrhage syndrome (JHS), which is a disease that affects dairy cattle. Although this microorganism is considered an important enteropathogen the pathogenesis of JHS is still not clear, and there have been no reports of its occurrence in Brazil so far. The aim of this study was to describe the occurrence of JHS by infection with a C. perfringens type A strain carrying the beta-2 toxin gene in a zebu cow in Brazil, for the first time.

Clostridium perfringens

Zebu

Pathogenesis

10.1590/0103-8478cr20141304

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Controle estratégico integrado de endo e ectoparasitos em rebanhos comerciais da bacia leiteira de Sete Lagoas, MG

Revista de Educação Continuada em Medicina Veterinária e Zootecnia do CRMV-SP (2011)

Ana Bárbara Barros D. S. Rodrigues R. P. B. Wanderley Arildo Pinto da Cunha A. C. P. P. Bello

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Farmers' perception about parasitic otitis in Gyr breed from three states of Brazil

Pesquisa Veterinária Brasileira (2012)

P. V. B. Leite Lucas Maciel Cunha Paulo Roberto de Oliveira L. B. Leite Romário Cerqueira Leite

This study aimed to know the perception of Gir cattle breeders and farm employees about parasitic otitis and practices regarding methods of treatment and control. A questionnaire was applied on specific topics about the disease. The results showed that the otitis occurred in 25 (89.3%) of the 28 farms studied, where the main etiologic agents were the nematodes Rhabditis spp. The majority of the farmers regarded the disease as a serious problem, mainly in cattle older than eight years of age. About half of the respondents did not observe a correlation between season and prevalence of the otitis; however, 30.8% reported an increase of its incidence during the rainy season. In addition to various methods and products for the rhabditiosis treatment, a lack of standardized preventive or curative protocols was found, suggesting insufficient knowledge about control of the disease.

Wet season

Parasitic Disease

10.1590/s0100-736x2012000900007

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Citations (11)

Integrated voltage regulation in distribution grids with photovoltaic distribution generation assisted by telecommunication infrastructure

Electric Power Systems Research (2016)

L. B. Leite Wallace do Couto Boaventura Luciano de Errico Eduardo N. Cardoso Ruan Dutra

IEC 61850

10.1016/j.epsr.2016.02.016

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Efeito da adubação com ureia no controle de Rhipicephalus (Boophilus) microplus

Revista de Educação Continuada em Medicina Veterinária e Zootecnia do CRMV-SP (2011)

Arildo Pinto da Cunha A. C. P. P. Bello Luísa N. Domingues P. V. B. Leite D. S. Rodrigues

Rhipicephalus

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Production and characterization of monoclonal antibodies to the edta extract of Leptospira interrogans, serovar icterohaemorrhagiae

Revista da Sociedade Brasileira de Medicina Tropical (1996)

L. B. Leite M. Resende Wanderley de Souza Elizabeth R.S. Camargos Matilde Cota Koury

Monoclonal antibodies (MABs) ivere produced against an etbylenediaminetetraacetate (EDTA) extract of Leptospira interrogans serovar icterohaemorrhagiae being characterized by gel precipitation as IgM and IgG (IgGl and IgG2b). The EDTA extract was detected as several bands by silver staining in SDS-PAGE. In the Western blot the bands around 20 KDa reacted with a monoclonal antibody, 47B4D6, and was oxidized by periodate and was not digested by pronase, suggesting that the determinant is of carbohydrate nature, lmmunocytochemistry, using colloidal gold labeling, showed that an EDTA extract determinant recognized by monoclonal antibody 47B4D6, is localized under the outer envelope of serovar icterohaemorrhagiae. Hoe AIAB raised against the EDTA extract was not able to protect hamsters from lethal challenge with virulent homologous leptospires.

Leptospira interrogans

Pronase

10.1590/s0037-86821996000500012

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O efeito da adubação com ureia em sistema rotacionado de pastagem no controle do Rhipicephalus (Boophilus) microplus (Canestrini, 1887) (Acari: Ixodidae)

Revista de Educação Continuada em Medicina Veterinária e Zootecnia do CRMV-SP (2011)

R. P. B. Wanderley A.C.C.L. Ribeiro D. S. Rodrigues Arildo Pinto da Cunha A. C. P. P. Bello

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