Abstract
The dog is the final host for sarcosporidia cysts from the oesophagus and diaphragm of donkeys from Sardinia. The prepatent period lasted 9 to 10 days. Sporocysts measured 12.2–13.8×9.2–9.9 μm. Infection of a horse with 105 donkey/dog sporocysts increased the rectal temperature to more than 40°C on days 10 and 20 after infection. On day 138 p.i. predominantly immature cysts containing metrocytes were found, especially in the oesophagus. Infection on day 117 p.i. with 2×105 horse/dog sporocysts did not give rise to a temperature increase during the following 21 days.
The final host of sarcosporidia cysts from the oesophagus and diaphragm of horses from Sardinia is the dog. The prepatent period lasted 9–10 days. Sporocysts measured 12.2–13.8×9.2–9.9 μm. The rise in the rectal temperature of three foals infected with horse/dog sporocysts did not differ from that of the foal infected with donkey/dog sporocysts. In both cases rectal temperature increased to more than 40°C on days 10 and 20 following infection with 105 sporocysts. Because of the occurrence of two temperature peaks following infection, two generations of schizogony are postulated. The presence of a sarcosporidia species occurring in the donkey only is doubtful.
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This report was supported by a grant of the Deutsche Forschungsgemeinschaft
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Matuschka, F.R. Infectivity of sarcocystis from donkey for horse via sporocysts from dogs. Z. Parasitenkd. 69, 299–304 (1983). https://doi.org/10.1007/BF00927871
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DOI: https://doi.org/10.1007/BF00927871