I need advice on worming chickens. They have never been wormed but I found a dropping that looked like it had a mass of worms in it and some red material like a blood clot or something. I have no idea which chicken it came from as I have about 35 chickens. They are free range. I bought the Wazine 17 but it says not to use on chickens producing eggs for human consumption. I have read many post on here that say it's OK, but don't eat the eggs for 14 days. My chickens seem to be thinner than in the past so I may have a worm infestation going on here. Also, I have 5 dogs that just love to eat chicken poo. Can they get worms from eating the poo? I'm guessing that's a yes. Any advice would be very welcome at this point.