Issue |
Parasite
Volume 7, Number 1, March 2000
|
|
---|---|---|
Page(s) | 51 - 53 | |
DOI | https://doi.org/10.1051/parasite/2000071051 | |
Published online | 10 September 2014 |
Note de recherche
Occurrence of Thelazia lacrymalis (Nematoda, Spirurida, Thelaziidae) in native horses in Abruzzo region (Central eastern Italy)
Prévalence de Thelazia lacrymalis(Nematoda, Spirurida, Thelaziidae) chez des chevaux natifs des Abruzzes (centre-est de l'Italie)
1
Facoltà di Medicina Veterinaria, Dipartimento di Science Veterinarie e Agroalimentari Istituto di Malattie infettive, 64020 Piano dAccio, Teramo, Italy.
2
Dipartimento di Sanità animale, Via Casamassima Km 3, 70010 Valenzano (Ba), Italy.
3
Istituto Zooprofilattico Sperimentale dellAbruzzo e Molise, Teramo. Italy.
* Correspondence : Annunziata Giangaspero. Tel.-Fax : +861 55 88 38 - e-mail : giangaspero@imi.vet.unite.it
Received:
28
September
1999
Accepted:
3
January
2000
A survey on the prevalence of Thelazia spp. in Abruzzo region (Italy) in slaughtered native horses was conducted from August 29, 1997 to August 28, 1998. Both eyes from 128 eight-month to 11 year-old native animals were examined. 50 horses (39.06 %) were found parasitized by Thelazia lacrymalis. 502 specimens (371 females, 88 males and 12 larvae) were collected. In the infected horses the numbers of T. lacrymalis ranged from 1 to 48, with a mean count burden of 3.92 per head (SD = 7.79). T. lacrymalis specimens were mainly in the excretory ducts of the Harderian gland, and also in the ducts of the lacrimal glands, free in the conjunctiva and behind the nictitancte. Gross examination showed a conjunctivitis, more frequently a follicular conjunctivitis, in the 58 % of the infected horses.
Résumé
Pour établir la prévalence de Thelazia spp. dans la region des Abruzzes (Italie), les deux yeux de 128 chevaux indigènes, âgés de huit mois à 11 ans, sont examinés post-mortem. 50 chevaux (39,06 %) sont parasités par T. lacrymalis. Au total 502 vers sont récoltés (371 femelles, 88 mâles, 12 larves) ; les chevaux parasités hébergent un à 48 spécimens, soit en moyenne 3,92 vers par animal (écart-type = 7,79) Les parasites sont le plus souvent dans le canal excréteur des glandes de Harder et les canaux des glandes lacrymales, mais ils sont aussi libres dans la conjonctive et sous la membrane nictitante. On note une conjonctivite, frequemment folliculaire, chez 58 % des chevaux parasités.
Key words: Thelazia lacrymalis / survey / horses / Italy
Mots clés : Thelazia lacrymalis / étude / chevaux / Italie
© PRINCEPS Editions, Paris, 2000, transferred to Société Française de Parasitologie
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