title: Hepatic parasitosis in two wood mice, Apodemus sylvaticus (Rodentia: Muridae), due to Aonchotheca annulosa (Nematoda: Trichuridae), and Eucoleus bacillatus (Nematoda: Trichuridae). Erratic parasitism or post mortem migration?
abstract: Aonchotheca annulosa and Eucoleus bacillatus are two capillariin nematodes parasitizing the intestinal and stomach mucosa, respectively, of various rodent species, and two, among others, component species of the helminth fauna of the wood mouse, Apodemus sylvaticus. A capillariin each was found in the liver parenchyma of two wood mice in a post-fire regeneration enclave in Serra Calderona Natural Park (Valencian Community, Spain). Due to their location, the preliminary identification of the helminths corresponded to Calodium hepaticum, a hepatic capillariin with rodents as its main host. So far, this species had never been found in Serra Calderona. To verify the preliminary identification, a comparative morphometric study between the specimens from Serra Calderona and a preserved individual of C. hepaticum from another enclave was carried out. Morphometric analysis revealed that the adult helminth as well as the eggs found in the liver of the first mouse belonged to A. annulosa, whereas the second one was identified as a male E. bacillatus. Moreover, the liver from both hosts showed a visible pathology, being the consequence of aberrant migration of the parasites. This is the first evidence that A. annulosa and E. bacillatus may migrate erratically and thus produce ectopic foci in other organs.
authors.affiliation: Departament de Parasitologia, Facultat de Farmàcia, Universitat de València, Av. Vicent Andrés Estellés s/n, 46100, Burjassot-València, Spain.
authors.forename: Ángela L
authors.initials: ÁL
authors.lastname: Debenedetti
authors.forename: Sandra
authors.initials: S
authors.lastname: Sáez-Durán
authors.forename: Sandra
authors.initials: S
authors.lastname: Sainz-Elipe
authors.forename: Maria Teresa
authors.initials: MT
authors.lastname: Galán-Puchades
authors.forename: Màrius V
authors.initials: MV
authors.lastname: Fuentes
mesh_terms: D000818:Animals; D005260:Female; D008297:Male; D051189:Murinae / Q000469:parasitology*; D009348:Nematoda / Q000145:classification*; D009349:Nematode Infections / Q000469:parasitology / Q000473:pathology / Q000662:veterinary*; D012376:Rodent Diseases / Q000469:parasitology* / Q000473:pathology