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The definitive hosts for these Taenia species are canids. The adult tapeworms live in the intestines of animals like dogs, foxes, and coyotes. Intermediate hosts such as rabbits, goats, sheep, horses, cattle and sometimes humans get the disease by inadvertently ingesting tapeworm eggs (gravid proglottids) that have been passed in the feces of an infected canid.
Echinococcus granulosus, also called the hydatid worm or dog tapeworm, is a cyclophyllid cestode that dwells in the small intestine of canids as an adult, but which has important intermediate hosts such as livestock and humans, where it causes cystic echinococcosis, also known as hydatid disease.
The infection is spread when food or water that contains the eggs of the parasite is ingested or by close contact with an infected animal. [1] The eggs are released in the stool of meat-eating animals that are infected by the parasite. [5] Commonly infected animals include dogs, foxes, and wolves. [5]
The disease occurs mainly in sheep and other ungulates, [3] but it can also occur in humans by accidental ingestion of tapeworm eggs. Adult worms of these species develop in the small intestine of the definitive hosts (dogs, foxes and other canids ), causing a disease from the group of taeniasis . [ 4 ]
Dipylidium life cycle. Dipylidium caninum, also called the flea tapeworm, double-pored tapeworm, or cucumber tapeworm (in reference to the shape of its cucumber-seed-like proglottids, though these also resemble grains of rice or sesame seeds) is a cyclophyllid cestode that infects organisms afflicted with fleas and canine chewing lice, including dogs, cats, and sometimes human pet-owners ...
The tapeworm attaches itself to the wall of the dogs small intestine via a rostellum armed with hooks. Once the tapeworm matures, eggs are released into the intestine and passed in feces. [3] Rodents, such as the paca, serve as the intermediate host. Eggs that are eaten by the rodent form hydatid cysts in the lungs, liver, and other internal ...
It is caused by ingesting larval cysts of the pork tapeworm (Taenia solium). “Humans become infected with T. solium by ingesting cysts that can be found in undercooked pork,” Ghali explained.
Foxes, coyotes, domestic dogs, and other canids are the definitive hosts for the adult stage of the parasite. Cats may also be involved. [3] The head of the tapeworm attaches to the intestinal mucosa by hooks and suckers. It then produces hundreds of microscopic eggs, which are dispersed through the feces. [4] Voles are the intermediate host. [1]
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