Test your knowledge of equine parasites with this quiz. If you're stumped, don't fret: The answers, with complete explanations, are provided.
1) C - Incorrect.
These are Anoplocephala perfoliatacestode eggs. Eimeria leuckartioocysts are distinct, dark-staining oval structures with a prominent micropyle. While E. leuckarti occurs commonly in horses, particularly foals, it is considered largely nonpathogenic. 4,5