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Locally produced mucosal IgG in chickens immunized with conventional vaccines for Newcastle disease virus 56
Chimeno Zoth,S.; Gómez,E.; Carrillo,E.; Berinstein,A..
Newcastle disease virus (NDV) is the causative agent of an economically important disease, which affects all species of birds worldwide. Current vaccination programs for NDV include the use of either low-virulent live-virus vaccines or inactivated vaccines to induce protective immunity while producing minimal adverse effects in birds. In order to further characterize the immune response elicited by live virus and inactivated NDV conventional vaccines in chickens, we evaluated the presence of specific antibodies in different secretions and in tissue culture supernatants of immunized birds. To this end, we analyzed all the samples by ELISA, using an indirect assay set up in the laboratory. Specific anti-NDV IgG antibodies were detected in tracheal and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Newcastle disease virus vaccines; Systemic immune response; Mucosal immune response.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008000400010
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