Parasitology

Cat Feces Microscopy: Object Identification Challenge

A clinical parasitology challenge: an oval object, 6.9 µm in size, was found in a cat's fecal sample during immersion microscopy. Identify the finding.

Native preparation of cat feces under immersion for a diagnostic exercise
Native preparation of cat feces under immersion for a diagnostic exercise

Anonymous question from a subscriber. Cat feces under immersion. Please tell me, is the oval object in the center Giardia?