a couple of flies land on some dog roundworms, or toxocara canis, ejected on the grass from a puppy`s vomit.

adult alive anthelmintic background canis concept contaminated couple dewormed deworming disgusting dog ejected excessive excreted flies fly grass green gross ground gut health helminth helminthiasis host house icky infection infestation land lawn nasty nauseating nematoda nematode parasite parasitic pet puppy puppys repulsive revolting roundworm roundworms some toxocara toxocariasis ugly vile vomit vomited white worms zoology