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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.
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 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 ] For these animals to become infected they must eat the organs of an animal that contains the cysts such as sheep or rodents. [ 5 ]
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.
Once anchored to the host's intestinal wall, tapeworms absorb nutrients through their surface as their food flows past them. [12] Cestodes are unable to synthesise lipids, which they use for reproduction, and are therefore entirely dependent on their hosts. [13] The tapeworm body is composed of a series of segments called proglottids. These are ...
Skin conditions in dogs are very common, so it's important to recognize the symptoms and understand the factors that cause them. Dr. Rebecca MacMillan, a vet with over 15 years of experience, says ...
At the time of shedding, they already contain the larva. [27] The infection is common in the southern United States and in tropical countries. In Gabon, the parasite could be detected in a quarter of domestic dogs. [15] The worms can occasionally cause an aortic aneurysm during their migration, but often infested dogs are asymptomatic.
Echinococcus multilocularis, the fox tapeworm, is a small cyclophyllid tapeworm found extensively in the northern hemisphere. E. multilocularis, along with other members of the Echinococcus genus (especially E. granulosus ), produce diseases known as echinococcosis .