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1 August 2009 Long-Term Survival of Toxoplasma gondii Sporulated Oocysts in Seawater
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Abstract
Toxoplasma gondii is now recognized as an important pathogen in costal marine mammals. Oocysts from cat feces are believed to be washed into seawater and serve as a source of infection via transport hosts. Experimentally, it has been demonstrated that T. gondii oocysts can sporulate in seawater and remain infectious for mice for up to 6 mo. The present study examined the long-term survival of T. gondii in seawater (15 ppt NaCl) kept at 4 C or at room temperature. Oocysts kept at 4 C for 24 mo were orally infectious for mice, while those kept at room temperature for 24 mo were not.
David S. Lindsay and J. P. Dubey "Long-Term Survival of Toxoplasma gondii Sporulated Oocysts in Seawater," Journal of Parasitology 95(4), (1 August 2009). https://doi.org/10.1645/GE-1919.1
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