take a poop sample into a vet
No, carrots will not kill worms in a horse.
Now why would you want to do that? Does the horse have worms in its system? Check with a veterinarian first to see if your horse does have worms, and if it does, give it dewormer (which is a kind of medicine). Your veterinarian will also tell you which dewormer is safe for pregnant mares and which are not.
No. The idea that a horse that has long hair has worms is an old wives tale.
To get rid of worms. Do worms sound like a nice thing to you?
they may have worms
to prevent worms. / get rid of them.
they may have worms
WORMS or Lice or Mange
Yes. Though the parasitic worms of horses are similar to the worms of dogs, they are not the the same. This means that horses won't pick up worms from dogs and vice versa.
Most over-the-counter horse dewormers are effective against most kinds of hook worms. However, tape worms are a totally different type of worm that can be killed only with medications available through your veterinarian.
they may have worms
They are forms of viruses.