Infections with Sarcocystis wenzeli are prevalent in the chickens of Yunnan Province, China, but not in the flocks of domesticated pigeons or ducks

► Chickens, ducks and pigeons were examined for sarcocystosis in Yunnan, China. ► Only chickens were found infected with Sarcocystis wenzeli, at a rate of 8.8%. ► No cases of Sarcocystis were found in domesticated ducks or pigeons. ► Morphological details of S. wenzeli were revealed through high resolution microscopy.