Your dog may be infected with roundworms from the time it is born because often the mother passes the worms to the puppy while it is still in her body. Roundworms can also develop in a puppy after it is born when the puppy eats larvated eggs from the environment or drinks worm larvae (young worms) in the mother's milk.
Why are worms so common in puppies?
Why do dogs get worms? Dogs can pick up worms from a variety of sources, from their mother's milk as puppies, from eating dead animals or prey when outside, from having fleas which carry worm larvae, and in the case of lungworm, from contact with slugs or snails.
Are all puppies born with intestinal worms?
Symptoms for intestinal worms are more obvious in puppies: They might vomit or have diarrhea, and may also have a pot-bellied appearance and a dull coat. However, almost all puppies are born with roundworms, so even those that appear healthy will usually have some worms inside them.
What percent of puppies have worms?
Surprisingly, almost 36 percent of all dogs, and 52 percent of dogs sampled from southeastern states, harbored at least one major intestinal worm parasite.
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