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 do puppies get worms from their mother?
Blood-sucking worms can make your pup so anaemic that they need a blood transfusion to survive. Almost all puppies will be infected with roundworms, either before birth by in utero infection or after birth via their mother's milk, so even those that appear healthy will usually have some worms inside them.
Can puppies get worms from their mom's milk?
Puppies can even be born with worms passed on by their mother or they can pick them up through their mother's milk during nursing. Other dogs can pass worms to pups too, and infected fleas can carry the tapeworm, which will infect a puppy if ingested.
Why do most puppies have worms?
Digging in dirt, having fleas, eating soil or feces and chasing wildlife are all ways your pet dog can pick up intestinal worms. It's very easy for dogs to be exposed to a range of parasites throughout their lives. Dogs become infected with heartworms through the bite of a mosquito.
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