Abstract
The protozoan Giardia spp. is a flagellate intestinal parasite and six species are recognized: Giardia agilis that affects amphibians, Giardia psittaci and Giardia ardeae that infect birds, Giardia microti and Giardia muris that are in rodents and Giardia duodenalis that can cause disease in humans and some domestic animals, according to their assemblages, ranging from A to H. In this res…