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Título
Antibody response of rainbow trout with single or double infections involving viral haemorrhagic septicaemia virus and infectious haematopoietic necrosis virus
Autor
Facultad/Centro
Área de conocimiento
Cita Bibliográfica
Diseases of aquatic organisms, 2009, vol. 83, n. 1
Editorial
Inter-Research
Fecha
2009-01-28
Resumen
Juvenile rainbow trout Oncorhynchus mykiss were experimentally infected by immersion
with viral haemorrhagic septicaemia virus (VHSV), infectious haematopoietic necrosis virus
(IHNV) or with both viruses. The presence of neutralizing antibodies in the sera of infected fish were
analysed by 50% plaque neutralization tests (50%PNT). In Group 1 (infected with VHSV) and Group
2 (infected with IHNV) neutralizing antibodies were found in 41% and 21% of the serum samples,
respectively. No cross-reacting antibodies were found in these 2 groups. In Group 3 (infected with
both viruses) 30% of the samples showed neutralizing antibodies against VHSV, 21% against IHNV
and 12% against both viruses. Fish in Group 3 developed a double specific antibody reaction whose
kinetics and intensity (mean of log10 titres) were similar to the antibody response of the single
infected groups.
Materia
Palabras clave
Peer review
SI
URI
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DAO 83, 23-29, 2009 (Antibodies against VHSV and IHNV co-infection)