We have a lot of chickens and my DH wants to get some turkeys. I'm reading that chickens can carry the parasite that causes the blackhead disease in turkeys. Supposedly there is an issue around here in our area where a lot of wild turkeys are dying from blackhead. Need to confirm that. Is there some way to treat the chickens to prevent passing the parasite or is this a gamble.? We would like to have some turkeys and geese along with our chickens and ducks. Any advice? thanks!