Rotavirus bovino grupo A: diagnóstico y caracterización antigénica de cepas circulantes en la República Argentina, 1994-1999 / Group A bovine rotavirus: diagnosis and antigenic characterization of strains circulating in the Argentine Republic, 1994-1999
Rev. argent. microbiol
; 34(2): 110-116, abr.-jun. 2002.
Article
em Es
| BINACIS
| ID: bin-6781
Biblioteca responsável:
BR1.1
ABSTRACT
Group A Bovine Rotavirus (BRV) has been identified as a major cause of neonatal diarrhea in cattle. The study was aimed to determine the prevalence of BRV and to antigenically characterize the G-types of circulating strains in dairy and beef herds in Argentina. A total of 1129 stool samples from diarrheic calves was analyzed from 1994 to 1999. The samples were initially screened for RV by ELISA and PAGE, and then G-typed using monoclonal antibodies (Mab) directed against G1, G2, G3, G6 and G10-specific epitopes. Forty percent (452/1129) of the samples were positive for RV by ELISA, while 24.7 (279/1129) were also positive for PAGE. VP7 was detected in the 70.5 (319/452) of the positive samples using a broadly reactive Mab (C60); 32.6 (104/319) were G6, 15.4 (49/319) were G10, and 6 (19/319) were G1. However, 46.1 (147/319) of the samples remained untypable. Rotavirus diarrhea prevalences were comparable in beef and dairy herds (87.3 and a 74.4, respectively). Finally, G6 was the most prevalent G-type circulating in beef herds while G10 prevailed in dairy herds. A better understanding of RV epidemiology will contribute to the optimization of current vaccines and prevention programs of RV diarrhea in calves.(AU)
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Coleções:
06-national
/
AR
Base de dados:
BINACIS
Assunto principal:
Infecções por Rotavirus
/
Doenças dos Bovinos
/
Rotavirus
/
Diarreia
Tipo de estudo:
Diagnostic_studies
/
Prevalence_studies
/
Risk_factors_studies
Limite:
Animals
País/Região como assunto:
America do sul
/
Argentina
Idioma:
Es
Revista:
Rev. argent. microbiol
Ano de publicação:
2002
Tipo de documento:
Article