Trichostrongylus axei
TRICHOSTRONGYLUS AXEI
General
- Small trichostrongyle, <5mm long; stomach.
Life-Cycle
- Typical non-migratory LC confined to stomach wall.
- Prepatent period = 3 1/2 weeks.
Pathogenicity
- Similar to Ostertagia, except L3 penetrate mucosa between gastric glands. Leads to hyperplastic nodular lesions (several cms diameter) and erosions where epithelium is lost. Not usually a primary pathogen in horses.