[Coccidia of mule ducks: preliminary survey in three farms of the south-west region of France].

Coccidia of mule ducks: preliminary survey in three farms of the south-west region of France A coprological survey carried out on mule duck farms, has revealed seven different coccidian species: Cryptosporidium (1), Tyzzeria (2) and Eimeria (4). Tyzzeria was the most frequent. The four Eimeria species have never been previously noted in France and one of them could be a new species.