Detection of Toxoplasma gondii oocyst in cats using Modified Kato-Katz and Sheather’s sugar methods
2016
Norsharina A. | Norina L. | Hanafi H. | Norhamizah A. H. | Rashidah C. M. | Saipul Bahari A. R
Toxoplasma gondii is a protozoan parasite that causes toxoplasmosis in humans and animals. It belongs to the phylum Apicomplexa, subclass Coccidiasina and family Sarcocystidae. The Felidae family is thedefinitive host for this disease where the parasites undergo a sexual cycle of replication (oocysts). In this study, cat faeces were collected from private clinics around Johore Bahru, Peninsular Malaysia. A total of 61 samples were tested using microscopy to detect for presence of T. gondii oocyst via two methods; namelythe Modified Kato-Katz with Kinyoun staining and Sheather’s sugar floatation methods. The results showed that 40.98% of the faecal samples tested were positive for T. gondii oocysts. These two methodswere successfully used in diagnosing toxoplasmosis in cats in this study. Morphological approaches for Toxoplasma oocysts identification have been neglected in recent years, due to the upsurge of moreprecise technologies. This study suggests that this modified technique could be introduced for screening and detection of oocysts excreted in faeces of suspected animals of the Felidae family.
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