Cytauxzoon felis is a protozoal organism transmitted to domestic cats by tick bites, and whose natural reservoir host is the bobcat. C. felis has been found in other wild felid species such as Florida bobcat, eastern bobcat, Texas cougar, and a white tiger in captivity. C. felis infection is limited to the family felidae which means that C. felis ... Found on http://en.wikipedia.org/wiki/Cytauxzoonosis