Luiz Fernando Coelho da Cunha Filho
Universidade Norte do Paraná
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Mycopathologia | 2014
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
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
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
Luiz Fernando Coelho da Cunha Filho; Ademir Benedito da Luz Pereira; Milton Hissashi Yamamura
Brazilian Journal of Veterinary Research and Animal Science | 2010
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
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
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
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
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
Gustavo Rodrigues Queiroz; Luiz Fernando Coelho da Cunha Filho; Aline Tramontini Zanluchi; Flávio Antônio Barca Junior; Werner Okano