Which nematodes do you use to get rid of fleas? I really need those. I not only have to fight them on my indoor/outdoor pets, there are all the wild critters who cross and live in my yarden who have fleas. I don't want to spray or put down granules because of my sometimes free range poultry and the wild birds. I've had granules that didn't dissolve and were eaten by baby ducks. It killed all of them.
