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=Overview=
=Overview=
''Toxacara canis'' is a typical ascarid nematode that infects dogs where its predilection site is the small intestines. These worms can be found throughout the world with varying prevalence. Control of this ascarid is typically difficult due to its extended persistence in the environment. ''T. canis'' is also important in humans medicine as the species most responsible for '''visceral larval migrans''' (VLM). The human is a non-permissive host of ''T. canis'' meaning it cannot complete its life cycle, however the larval stages do migrate through the human body causing pathology.
''Toxacara canis'' is a typical ascarid nematode that infects dogs where its predilection site is the small intestines. These worms can be found throughout the world with varying prevalence. Control of this ascarid is typically difficult due to its extended persistence in the environment. ''T. canis'' is also important in humans medicine as the species most responsible for '''visceral larval migrans''' (VLM). The human is a non-permissive host of ''T. canis'' meaning it cannot complete its life cycle and reproduce, however the larval stages do migrate through the human body causing pathology.
=Identification=
=Identification=
''Toxacara canis'' has the typical gross morphology of an ascarid, it is a large, fleshy white worm and can be up to 18cm long. The females are longer than the males who can normally reach 10cm in length. Microscopically ''T. canis''
* Causes eosinophilic enteritis in the dog.
* Causes eosinophilic enteritis in the dog.