Example Diagnostic
stage
Location Definitive
host(s)
Predilection
site
Ostertagia egg host feces ruminants abomasum
Strongylus egg host feces horses cecum &
colon
Dirofilaria L1
(microfilaria)
peripheral
blood
Dogs heart
Parelaphostrongylus L1 host feces deer brain
Onchocerca L1
(microfilaria)
skin horses subcutaneous
tissues
Dictyocaulus L1 host feces ruminants, horses lungs