In this study two further axenic Giardia isolates obtained from a silvery m
armoset Callithrix argentata (Callithricidae) and a red-bellied guenon Cerc
opithecus erythrogaster (Cercopithecidae) are described. Biological feature
s of the new primate Giardia isolates, such as morphometry of trophozoites,
generation time and procedure of axenic isolation are presented.