| the occurrence and ape-to-ape transmission of the entodiniomorphid ciliate troglodytella abrassarti in captive gorillas. | entodiniomorphid ciliates are often present in the colons of wild apes. in captive apes the infection tends to gradually disappear, with the exception of troglodytella abrassarti. we used fecal examinations to screen the gorillas (gorilla gorilla gorilla) in european (czech republic, uk) and australian zoos to explore the ape-to-ape transmission pattern of t. abrassarti. gorillas from two out of three european zoos were positive for t. abrassarti, while gorillas from the australian zoo were nega ... | 2009 | 19335778 |