Summary
The two species ofSarcocystis—S. levinei andS. fusiformis from the water buffalo,Bubalus bubalis, show some ultrastructural similarities in their cyst wall and zoites. The zoites of both species are of about the same size, banana-shaped and have 22 subpellicular microtubules, numerous micronemes, eight rhoptries, a micropore in the region of the micronemes, an elongated mitochondrion, and a nucleus.S. levinei has 200–300 micronemes andS. fusiformis has about 400. The sarcocysts of both species are trabeculated and their cyst walls have cytophaneres containing annulated fibrils and coarse, electron dense granules. The cytophaneres ofS. levinei are sloping, with irregular, wavy outlines, whereasS. fusiformis has the cauliflower-type of cytophaneres. This difference in the appearance of the cytophaneres, together with the difference in size of the sarcocysts and their definitive hosts, further confirms thatS. levinei andS. fusiformis are two distinct species in the water buffalo.
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Kan, S.P., Dissanaike, A.S. Studies onSarcocystis in Malaysia. Z. Parasitenkd. 57, 107–116 (1978). https://doi.org/10.1007/BF00927151
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DOI: https://doi.org/10.1007/BF00927151