Infected dogs shed the microscopic roundworm eggs in their feces. Other dogs may become infected by sniffing or licking infected feces. Roundworm eggs can also be spread by other animals such as rodents, earthworms, cockroaches, and birds.
How do roundworm eggs spread?
Roundworm eggs live in soil that is contaminated by feces. The eggs can get into the body through the mouth. The infection can then spread from person to person via infected feces. Symptoms may include worms in a bowel movement or coming from the nose or mouth, vomiting, and stomach pain.
Where do roundworm eggs come from?
Larvae grow into adults in the intestines, where they can be 3 feet long. Then the adult moves to another area of the body (usually the legs) and comes out through a painful blister. The tip of the worm comes out through the skin to lay its eggs whenever the skin is immersed in water.
How long do roundworm eggs live on surfaces?
Dogs and cats are infected when they ingest feces with infectious eggs. It takes one to three weeks for the eggs that are passed in the feces to become infectious; however, these eggs can survive in the environment for many months. 5.
What kills roundworm eggs?
Even harsh chemicals are unlikely to destroy roundworm eggs. Eggs can survive in soil in severe climates -- cold or heat -- for several months. The only thing known to kill them is extreme heat, such as from steam or fire.
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