Thanks for your view, actually being new in it I work on research and advise from my vet. First of all, always keep their house clean by cleaning and disinfecting their house regularly. Also give their vaccine when due, for turkey is at 5 weeks old, while birds are in 1st and 2nd weeks old. avoid mixing them up with different birds from different backgrounds. Check them closely time to time in proper inspection, cause sometimes , you could hardly notice it on time. This is my advice, we could keep in touch when there is need. thanks.