Hello, we have 5 turkeys. They sort of live in a pen with two bantam roosters. Also too, some of my other chickens go in and out of there during the day. I have just recently started leaving the door open all the time so that they could come and go as they please. Before I would let them out during the day and sometimes leave the door open and close the door at night. Two of them had Infectious Synovitis and now I think two others got it as well. It rained where I live for several days and then turned cold. I'm not sure if the other two got it from being out in the rain and cold or from sleeping so close together at night. I'm about to start giving them 1 tbsp. of Tetroxy in a gallon container again. I gave them this before. Should I give them Tetroxy, Duramycin, or would something else work best? Or could it be some other respiratory disease? My second question is that around where they sleep is a dark reddish brown looking poop that is solid when I see it. Does anyone know what this means? Also, in the past I have seen yellow colored droppings? What does this mean? Thank you for your help.