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Provedor de dados:  Ciência Rural
País:  Brazil
Título:  Seroconversion and seroreactivity patterns of dairy goats naturally exposed to caprine arthritis-encephalitis virus in Brazil
Autores:  Castro,Roberto Soares
Leite,Rômulo Cerqueira
Azevedo,Edisio Oliveira de
Resende,Maurício
Gouveia,Aurora Maria Guimarães
Data:  2002-08-01
Ano:  2002
Palavras-chave:  Goat
Caprine artrhitis-encephalitis virus
Diagnostics
Enzyme immunoassays
Immunity
Resumo:  A labelled avidin-biotin ELISA (lab-ELISA) using repeated serum samples of goats showed a progressive seroconversion with higher seroconversion rate at the period going from the beginning of the breeding up to the last half of lactation (35.0%), compared to that recorded at the beginning of breeding (17.8%)(p<0.05). Furthermore, the seroreactivity pattern, evaluated by a lab-ELISA standard-curve with serum samples collected at 30-40 days intervals during 12 months, was caracterized by high individual variability. No seroreversion was observed and there were higher titers in the group of animals which delivered kids and established a lactation period (n=6; mean titre=913.4 units) compared to the group of goats that failed to conceived (n=4; mean titre=261.2 units) (p<0.01).
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782002000400009
Editor:  Universidade Federal de Santa Maria
Relação:  10.1590/S0103-84782002000400009
Formato:  text/html
Fonte:  Ciência Rural v.32 n.4 2002
Direitos:  info:eu-repo/semantics/openAccess
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