查看文章

A quantitative post mortem study of 150 horses from Victoria was conducted to determine the prevalence and epidemiology of gastrointestinal parasites. A total of 42 species of metazoan parasite was found. The following species of non-cyathostome parasite were found (% prevalence): Trichostrongylus axei (51%); Habronema muscae (13%); H. majus (2%); Draschia megastoma (5%); Gasterophilus intestinalis (81%); G. nasalis (29%); Parascaris equorum (5%); Anoplocephala perfoliata (29%); Fasciola hepatics (0.7%); Oxyaris equi (7%); Strongylus vulgaris (23%); S. edentatus (23%); S. equinus (3%); Craterostemum acuticaudatum (7%); Triodontophorus serratus (8%); T. tenuicollis (8%); T. brevicauda (3%). Ninety-five per cent of horses were infected with gut-wall encysted stages of cyathostomes with a mean intemity of 113,000 larvae per horse. Ninety-three per cent of all horses harboured adult cyathostome …