Feces from 15 dogs at 2 different foxhound kennels in the U.K. were examined microscopically for the presence of oocysts of Neospora caninum. One sample containing approximately 400 candidate oocysts per gram was positive in a polymerase chain reaction (PCR) using N. caninum–specific primers. In a sample taken 4 mo later from the same hound, N. caninum oocysts were again detected visually and by PCR. This is the third reported case of a dog naturally excreting oocysts of N. caninum and suggests that oocyst excretion can occur over a relatively long period of time in some circumstances or that reshedding may occur.
Protracted Shedding of Oocysts of Neospora caninum by a Naturally Infected Foxhound
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J. W. McGarry, C. M. Stockton, D. J L. Williams, A. J. Trees; Protracted Shedding of Oocysts of Neospora caninum by a Naturally Infected Foxhound. J Parasitol 1 June 2003; 89 (3): 628–630. doi: https://doi.org/10.1645/0022-3395(2003)089[0628:PSOOON]2.0.CO;2
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