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Please use this identifier to cite or link to this item: http://repositorio.ufba.br/ri/handle/ri/14595

Title: Loss of infectivity of Neospora caninum oocysts maintained for a prolonged time
Other Titles: Korean Journal of Parasitology
Authors: Uzêda, Rosângela Soares
Costa, Kattyanne de Souza
Santos, Sara Lima
Pinheiro, Alexandre Moraes
Almeida, Maria Angela Ornelas de
McAllister, Milton M.
Gondim, Luis Fernando Pita
Keywords: Neospora caninum;Oocysts;Mongolian gerbils;Meriones unguiculatus;Infectivity
Issue Date: 2007
Abstract: The purpose of this study was to investigate whether sporulated Neospora caninum oocysts, which had been stored for 46 mo in a 2% sulfuric acid solution at 4℃, remain morphologically viable and infective to gerbils (Meriones unguiculatus). Six gerbils were orally inoculated with doses of 400 or 1,200 oocysts. Two mo after inoculation, the animals did not show any clinical signs, had no histological lesions, and were seronegative for N. caninum at 1: 50 in an immunofluorescent antibody test. PCR using the brain from each gerbil did not reveal N. caninum specific DNA. We conclude that oocysts preserved for 46 mo are not infective, despite being morphologically intact.
Description: p. 295-299
URI: http://repositorio.ufba.br/ri/handle/ri/14595
ISSN: 0023-4001
Appears in Collections:Artigos Publicados em Periódicos (EMV)

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