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Table 2 Prevalence of Neorickettsia infection among individual cercariae and sporocysts parasitizing snails, Nelson Co., North Dakota

From: Transmission rates of the bacterial endosymbiont, Neorickettsia risticii, during the asexual reproduction phase of its digenean host, Plagiorchis elegans, within naturally infected lymnaeid snails

Digenean species

Life cycle stage

% positive (N)

Plagiorchis elegans

Cercariae

11% (100)

Plagiorchis elegans

Cercariae

52% (100)

Plagiorchis elegans

Cercariae

70% (50)

Plagiorchis elegans

Cercariae

91% (100)

Plagiorchis elegans

Cercariae*

90% (50)

Plagiorchis elegans

Sporocysts*

100% (50)

  1. *sporocysts and cercariae obtained from the same snail individual.