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https://hdl.handle.net/2440/66691
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Type: | Journal article |
Title: | Loss of infectivity of Neospora caninum oocysts maintained for a prolonged time |
Author: | Uzeda, R. Costa, K. Santos, S. Pinheiro, A. Almeida, M. McAllister, M. Gondim, L. |
Citation: | Korean Journal of Parasitology, 2007; 45(4):295-299 |
Publisher: | Korean Society for Parasitology |
Issue Date: | 2007 |
ISSN: | 0023-4001 1738-0006 |
Statement of Responsibility: | Rosangela Soares Uzeda, Kattyanne De Souza Costa, Sara Lima Santos, Alexandre Moraes Pinheiro, Maria Angela Ornelas De Almeida, Milton M. McAllister and Luis Fernando Pita Gondim |
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. |
Keywords: | Neospora caninum oocysts Mongolian gerbils Meriones unguiculatus infectivity |
Rights: | Copyright © 2007 by The Korean Society for Parasitology |
DOI: | 10.3347/kjp.2007.45.4.295 |
Published version: | http://dx.doi.org/10.3347/kjp.2007.45.4.295 |
Appears in Collections: | Animal and Veterinary Sciences publications Aurora harvest |
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