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Registros recuperados: 3
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Coccidia of gallinaceous meat birds in Brazil. Repositório Alice
TEIXEIRA, M.; MELO, A. D. B.; ALBUQUERQUE, G. R.; ROCHA, P. T.; MONTEIRO, J. P..
Abstract: Coccidiosis is a disease that limits the production and marketing of gallinaceous birds in North America, especially quails, pheasants and chukar partridges. Virtually no research has been conducted in South America on the causative agents of diseases among these birds, including coccidia. The aim of this work was to make first observations on Eimeria spp. in the chukar partridge Alectoris chukar and the grey quail Coturnix coturnix, which are reared for meat in Brazil. Fecal and tissue samples were collected from commercial farms and were examined for oocysts, gross and microscopic lesions or endogenous stages. From this examination, it was found that partridges raised in Brazil did not have any visible infection. However, grey quails presented...
Tipo: Nota Técnica/Nota Científica (ALICE) Palavras-chave: Oocisto; Morfologia; Infecção; Doença animal; Coccidiose; Diagnóstico; Animal diseases; Eimeria; Diagnosis; Zygotes.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1032808
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Molecular diagnosis of Eimeria species affecting naturally infected Gallus gallus. Repositório Alice
CARVALHO, F. S.; WENCESLAU, A. A.; TEIXEIRA, M.; ALBUQUERQUE, G. R..
Abstract - We used PCR to test various protocols and define a technique for DNA extraction directly from chicken-shed stool samples for the identification of Eimeria species that parasitize birds. It was possible to extract and amplify DNA of seven Eimeria species from field stool samples, using both protocols tested; extractions made with phenol/chloroform protocols gave the best results. The primers were specific and sensitive, allowing amplification of samples containing as few as 20 oocysts, both in individual and in a multiplex PCR. Individualized PCR with the phenol/chloroform DNA extraction protocol detected a larger number of Eimeria species. Molecular diagnosis was found to be practical and precise, and can be used for monitoring and...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: PCR; Reação em cadeia; Frango; Eimeria; Prevalência; Polimerase; Eimeriosis; Multiplex PCR; Broilers.
Ano: 2011 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/908376
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Risk factors associated with Toxoplasma gondii infection in dairy cattle, State of Rio de Janeiro. Repositório Alice
ALBUQUERQUE, G. R.; MUNHOZ, A. D.; TEIXEIRA, M.; FLAUSINO, W.; MEDEIROS, S. M. de; LOPES, C. W. G..
Toxoplasmosis is one of the most common parasitic zoonoses throughout the world. Infection in man and animals varies in different geographical areas influenced by many environmental conditions. Seroprevalence of Toxoplasma gondii infection in cattle in Brazil ranges from 1.03 to 71%. A cross-sectional survey was carried out in 58 out of 453 farms in the South Fluminense Paraiba Valley, State of Rio de Janeiro, Brazil. Over 3-year-old cattle (n=589) from dairy herds were selected for blood collection and detection of anti-T. gondii antibodies by indirect immunofluorescence reaction (IFA) with initial titration of 1:16; titers ? 64 were considered positive. Univariate analysis of risk factors showed that cats in contact with cattle, cats in contact with...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: ..
Ano: 2011 URL: http://www.alice.cnptia.embrapa.br/handle/doc/908365
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