Observations on the occurrence of five species of Gasterophilus larvae in free-ranging horses in Umbria, central Italy.
Comparative data collected over 4 years show the most frequent species of Gasterophilus infesting free-ranging horses in Umbria (Central Italy) to be G. intestinalis (93.8%), G. nasalis (76.5%) and G. inermis (71%). G. pecorum and G. haemorrhoidalis were less frequent and appeared in 39.3 and 10.8% of the animals, respectively. For each of the 5 species, the duration of gastric and enteric lesions, the average numbers of larvae isolated throughout the year and the probable duration of oral lesions were discussed.
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Facoltà di Medicina Veterinaria, Istituto di Parassitologia, Perugia, Italy.
D000818:Animals; D004175:Diptera / Q000145:classification / Q000254:growth & development*; D006734:Horse Diseases / Q000453:epidemiology / Q000469:parasitology*; D006736:Horses; D007422:Intestines / Q000469:parasitology; D007558:Italy; D007814:Larva; D009198:Myiasis / Q000453:epidemiology / Q000469:parasitology / Q000662:veterinary*; D013270:Stomach / Q000469:parasitology