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Featured researches published by Luiz Fernando Coelho da Cunha Filho.


Mycopathologia | 2014

Equine Pulmonary Aspergillosis with Encephalitic, Myocardial, and Renal Dissemination

Selwyn Arlington Headley; Pedro Henrique de Carvalho; Luiz Fernando Coelho da Cunha Filho; Aline Artioli Machado Yamamura; Werner Okano

The cause of the death of a 16-month-old Brasileiro-de-Hipismo filly and a 3-year-old male Paint Horse with clinical manifestations of anemia and apathy from southern Brazil was investigated. These horses were maintained at the same stable; received hay as part of their diet and were submitted for routine necropsy evaluations. Significant gross findings included several nodules randomly distributed throughout the pulmonary lobes of both horses, and the kidneys, myocardium, and the frontal lobes of the cerebrum of the filly. Histopathological evaluation revealed pyogranulomatous bronchopneumonia in both horses; granulomatous interstitial nephritis, myocarditis, and encephalitis were observed in the filly. All lesions contained vasculitis and thrombosis associated with myriads of intralesional, branching, septate fungi consistent with Aspergillus spp.; intralesional fungi were more easily identified by the Grocott methenamine silver stain. Mycological culture of fresh pulmonary sections from both horses and the brain of the filly revealed pure growths of A. fumigatus. These findings confirmed the participation of A. fumigatus in the etiopathogenesis of the lesions observed in the lungs of both horses, and the cerebrum, myocardium and kidneys of the filly and might represent the first description of A. fumigatus-induced encephalitis in horses. Additionally, we believe that infection occurred during the ingestion of contaminated hay or by inhalation of spores within contaminated bedding that resulted in transient nasal mycosis, which progressed to pyogranulomatous bronchopneumonia in both horses with embolic encephalitic, myocardial, and renal dissemination of A. fumigatus occurring only in the filly.


Brazilian Journal of Microbiology | 2018

Histophilus somni -associated syndromes in sheep from Southern Brazil

Selwyn Arlington Headley; Alfredo Hajime Tanaka Pereira; Luciana de Carvalho Balbo; Giovana W. Di Santia; Ana Bracarense; Luiz Fernando Coelho da Cunha Filho; Jackson Schade; Werner Okano; Priscilla Fajardo Valente Pereira; Fábio Morotti; Lucienne G. Preto-Giordano; Rogério Anderson Marcasso; Alice Fernandes Alfieri; Júlio Augusto Naylor Lisbôa; Amauri Alcindo Alfieri

Histophilus somni is a Gram-negative bacterium that is associated with a disease complex (termed histophilosis) that can produce several clinical syndromes predominantly in cattle, but also in sheep. Histophilosis is well described in North America, Canada, and in some European countries. In Brazil, histophilosis has been described in cattle with respiratory, reproductive, and systemic disease, with only one case described in sheep. This report describes the occurrence of Histophilus somni-associated disease in sheep from Southern Brazil. Eight sheep with different clinical manifestations from five farms were investigated by a combination of pathological and molecular diagnostic methods to identify additional cases of histophilosis in sheep from Brazil. The principal pathological lesions were thrombotic meningoencephalitis, fibrinous bronchopneumonia, pulmonary abscesses, and necrotizing myocarditis. The main clinical syndromes associated with H. somni were thrombotic meningoencephalitis (n = 4), septicemia (n = 4), bronchopneumonia (n = 4), and myocarditis (n = 3). H. somni DNA was amplified from multiple tissues of all sheep with clinical syndromes of histophilosis; sequencing confirmed the PCR results. Further, PCR assays to detect Pasteurella multocida and Mannheimia haemolytica were negative. These findings confirmed the participation of H. somni in the clinical syndromes investigated during this study, and adds to the previous report of histophilosis in sheep from Brazil.


Revista Brasileira de Higiene e Sanidade Animal | 2014

Nematode resistance to anthelmintics nitroxynil 34% and 1% ivermectin from sheep flock in São João do Ivaí county, Parana

Luiz Eduardo Vila Nova; Marcelo Eduardo Costa; Priscilla Gomes Carneiro Ferreira de Melo; Luiz Fernando Coelho da Cunha Filho; Flávio Antônio Barca Junior; Luiz Cesar da Silva; Werner Okano; Alexey Leon Gomel Bogado

Resistência de nematoides aos anti-helmínticos nitroxinil 34% e ivermectina 1% em rebanho ovino no município de São João do Ivaí, Paraná Nematode resistance to anthelmintics nitroxynil 34% and 1% ivermectin from sheep flock in São João do Ivaí county, Parana Luiz Eduardo Vila Nova 1 , Marcelo Eduardo Costa 1 , Priscilla Gomes Carneiro Ferreira de Melo 2 , Luiz Fernando Coelho Cunha Filho 3 , Flavio Antonio Barca Junior 3 , Luiz César da Silva 3 , Werner Okano 3 , Alexey Leon Gomel Bogado 3


Semina-ciencias Agrarias | 1998

Resistencia a anti-helminticos em ovinos da regiao de Londrina-Parana-Brasil

Luiz Fernando Coelho da Cunha Filho; Ademir Benedito da Luz Pereira; Milton Hissashi Yamamura


Brazilian Journal of Veterinary Research and Animal Science | 2010

Causas de óbito e razões para eutanásia em uma população hospitalar de cães e gatos

Sílvia Manduca Trapp; André Iurchiag Iacuzio; Flávio Antônio Barca Junior; Bernardo Kemper; Luiz Cesar da Silva; Werner Okano; Neide Mariko Tanaka; Fabíola Cristine de Almeida Rêgo Grecco; Luiz Fernando Coelho da Cunha Filho; Fabiana de Andrade Melo Sterza


Revista Brasileira de Higiene e Sanidade Animal: RBHSA | 2014

Resistência de nematoides aos anti-helmínticos nitroxinil 34% e ivermectina 1% em rebanho ovino no município de São João do Ivaí, Paraná

Luiz Eduardo Vila Nova; Marcelo Eduardo Costa; Priscilla Gomes Carneiro Ferreira de Melo; Luiz Fernando Coelho da Cunha Filho; Flávio Antônio Barca Junior; Luiz Cesar da Silva; Werner Okano; Alexey Leon Gomel Bogado


Semina-ciencias Agrarias | 2015

Losses in milk production and quality due to milk somatic cell count and heat stress of Holsteins cows in temperate climate.

Agostinho Ludovico; Vinicius Buffon Maion; Dalton Evert Bronkhorst; Fabíola de Almeida Cristine Rego Grecco; Luiz Fernando Coelho da Cunha Filho; Ivone Yurika Mizubuti; Kelly Molin de Almeida; Marilúcia Santos Ludovico; Elsa Helena Walter de Santana


Semina-ciencias Agrarias | 2015

Development, economic viability and attributes of lamb carcass from confined animals fed on different amounts of crude glycerin.

Fabiola Cristine de Almeida Rego; Mônica Chaves Françozo; Agostinho Ludovico; Lisiane Dorneles de Lima; Flávio Guiselli Lopes; Laís Belan; Marcelo Diniz dos Santos; Marilice Zundt; Luiz Fernando Coelho da Cunha Filho; Camila Constantino


Semina-ciencias Agrarias | 2012

Evaluation of the transfer of passive immunity by the analysis of immunoglobulin and serum proteins of Holstein calves

Ricardo Augusto Santos Garcia; Werner Okano; Flávio Antônio Barca Junior; Luiz Cesar da Silva; Luiz Fernando Coelho da Cunha Filho; Júlio Augusto Naylor Lisbôa; Mara Regina Stipp Balarin; Selwyn Arlington Headley


Archives of Veterinary Science | 2012

EFFECT OF DILATATION OF THE CEREBRAL VENTRICLES AFTER THE ADMINISTRATION OF NITROXYNIL IN SWISS ALBINE MICE DURING ORGANOGENESIS

Gustavo Rodrigues Queiroz; Luiz Fernando Coelho da Cunha Filho; Aline Tramontini Zanluchi; Flávio Antônio Barca Junior; Werner Okano

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Werner Okano

Universidade Norte do Paraná

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Agostinho Ludovico

Universidade Norte do Paraná

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Luiz Cesar da Silva

Universidade Norte do Paraná

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Alexey Leon Gomel Bogado

Universidade Estadual de Londrina

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Laís Belan

Universidade Norte do Paraná

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Lisiane Dorneles de Lima

Empresa Brasileira de Pesquisa Agropecuária

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