I recently adopted a 4 month old puppy from a shelter. When we took it to the vet for a well puppy check, a stool sample confirmed he has round worm, coccidia and giardia. He is on medication and we follow him around with a pooper scooper and diluted bleach water. I have free range chickens and ducks and am concerned about them getting the parasites. The vet knows nothing about poultry and couldn't help me. My local farm vet told me to look online, but I can't find anything that helps answer the question. I try to keep everything as natural as possible and would rather not treat the birds needlessly if they can't get it. Any advice would be greatly appreciated.