Trichostrongylus

**Semantic type:** Animal

**Definition:** A genus of parasitic nematodes in the family Strongylidae that affect domestic and wild ruminants, pigs, horses, and poultry. All Trichostrongylus species have a direct life cycle with no intermediate host. The typical route of infection is through oral ingestion of larvae-contaminated water or vegetation.

**Synonyms:** - TRICHOSTRONGYLUS