Cestodes

From Cat

Cestodes or tapeworms are one of the most common parasites of cats.

Cestodes that affect cats have two basic life cycles, one involving an aquatic environment for early larval stages, and the second utilizing various vertebrate hosts such as fish, amphibians, reptiles and mammals. Some cestodes do not use intermediate hosts in aquatic environments and use terrestrial hosts, such as Dipylidium spp, which uses fleas.

In all cases, cats become infected by eating intermediate hosts which contain larval stages of the cestode, where it grows into an adult and lives primarily in the duodenum and jejunum[1].

Treatment is effective with oral praziquantel.

Cestodes which have been documented to infect cats include:

Parasite Location in cat Intermediate host Geographical distribution
Choanotaenia atopa duodenum, jejunum insects North America
Diphyllobothrium latum duodenum, jejunum fish Europe, Japan, North America
Diplopylidium acanthotetra duodenum, jejunum, tetrathyridiosis Lizard Southern Europe, Middle East
Diplopylidium nolleri duodenum, jejunum, tetrathyridiosis Lizard Southern Europe, Middle East
Dipylidium caninum duodenum, jejunum Flea larva Worldwide
Echinococcus granulosus duodenum, jejunum rodent Holarctic
Echinococcus multilocularis duodenum, jejunum rodent Holarctic
Joyeuxiella pasqualei duodenum, jejunum Lizard Southern Europe, Middle East, Asia
Joyeuxiella fuhrmanni duodenum, jejunum Lizard Africa
Joyeuxiella echinorhyncoides duodenum, jejunum Lizard Africa
Mesocestoides lineatus duodenum, jejunum Amphibia, reptiles, rodents, birds worldwide
Mesostephanus spp duodenum, jejunum
Prohemistomum vivax duodenum, jejunum
Spirometra mansonoides small intestine, sparganosis amphibians, reptiles, rodents, birds North and South America
Spirometra erinaceieuropae small intestine, sparganosis amphibians, reptiles, rodents, birds worldwide
Taenia taeniaeformis small intestine, coenurosis rodents worldwide


References

  1. Bowman, DD et al (2003) Feline clinical parasitology. Iowa University Press, Iowa. pp:184