Parasites are a common problem in dogs. They can become infected with roundworms, tapeworms, hookworms, and heartworms. Worms are nematodes and create a vicious cycle of reproduction, reintroduction and subsequent infection. Hookworm larvae can live inside of a host -- your dog -- for several weeks until maturity. Your dog will shed the parasites in his feces. Canine hookworms will lay more eggs, which perpetuates the cycle.
Hookworms (Ancylostoma braziliense, Ancylostoma caninum, and Uncinaria stenocephala) are named due to the parasite’s hook-like structure. The nematode’s mouth literally “hooks” itself to a dog’s intestinal tract or skin. Intestinal hookworms feed on the dog’s blood. Dogs of any age or breed can become infected with hookworms.
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