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Strongylus vulgaris (Looss, 1900) in horses in Italy: is it still a problem?

Pilo, Cristian and Altea, A. and Pirino, Salvatore and Nicolussi, Paola Sandra and Varcasia, Antonio and Genchi, Marco and Scala, Antonio (2012) Strongylus vulgaris(Looss, 1900) in horses in Italy: is it still a problem? Veterinary Parasitology, Vol. 184 (2-4), p. 161-167. eISSN 1873-2550. Article.

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DOI: 10.1016/j.vetpar.2011.09.016

Abstract

A post-mortem survey was carried out on 46 Sardinian horses to evaluate the presence of Strongylus vulgaris and associated pathology. Horses were from local farms and had been treated with broad-spectrum anthelmintics at least 3 times a year. Examination of the cranial mesenteric arterial system (CMAS) showed parasite-induced lesions in all horses. S. vulgaris larvae were found in 39% of examined arteries, while their detection rate in coprocultures was 4%. Histology, carried out on 26 horses, showed mainly chronic and chronic-active lesions. Histometry showed a significant increase in thickness of the arterial wall, in particular of the intima tunic and adventitia tunic of the ileocolic artery and its colic branch. MCV, MCHC and alpha2, beta and gamma globulins were increased in horses with S. vulgaris larvae in the arteries, while the albumin/globulin ratio was decreased. Horses that were positive on faecal examination showed decreased values for RBC, PCV and the albumin/ globulin ratio. Although several studies have shown a dramatic decrease of S. vulgaris infection worldwide, our data show that this parasite continues to exert its pathogenic role, even when its detection rate is quite low within the strongyle population infecting horses.

Item Type:Article
ID Code:7773
Status:Published
Refereed:Yes
Uncontrolled Keywords:Strongylus vulgaris, horses, Verminous arteritis, Italy
Subjects:Area 07 - Scienze agrarie e veterinarie > VET/06 Parassitologia e malattie parassitarie degli animali
Area 07 - Scienze agrarie e veterinarie > VET/03 Patologia generale e anatomia patologica veterinaria
Divisions:002 Altri enti e centri di ricerca del Nord Sardegna > Istituto zooprofilattico sperimentale della Sardegna, Sassari
001 Università di Sassari > 01 Dipartimenti > Biologia animale
001 Università di Sassari > 01-a Nuovi Dipartimenti dal 2012 > Medicina Veterinaria
Publisher:Elsevier
eISSN:1873-2550
Deposited On:13 Jul 2012 08:46

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