In younger dogs, the larvae migrate through the lungs and bronchial tree; larvae are coughed up, swallowed, and returned to the small intestine, where they mature. Adult female worms deposit eggs in the small intestine. Although older dogs may be infected in the same way, larvae are more likely to encyst in tissues.
What is the life cycle of a round worm in a dog?
The roundworm lifecycle The incubation period for roundworm is around 4-6 weeks, meaning it can be over a month between ingesting the roundworm and them passing eggs in their stools which may infect other animals. Adult worms lay eggs in the dog's small intestine. Eggs are passed then passed in the dog's feces.
What is the Prepatent period for Toxocara canis?
Toxocara canis, commonly found in both dogs and cats, have a prepatent period of 14 to 28 days.
How does Toxocara canis reproduce?
canis larvae take to get to the canid intestine once there the third stage larvae molt into adults. The adult worm remains in the intestine and produces an enormous number of eggs each day. Not until the fifth day post-infection do the eggs begin to appear in the canid feces.
How long do Toxocara eggs live?
Once in the environment, it takes 2 to 4 weeks for Toxocara larvae to develop inside the eggs and become infectious. Toxocara eggs have a strong protective layer, which allows the eggs to survive in the environment for months or even years under the right conditions.
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