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Meccanismi fisiopatogenetici dei principali tricostrongilidi abomasali dei piccoli ruminanti

Scala, Antonio (2006) Meccanismi fisiopatogenetici dei principali tricostrongilidi abomasali dei piccoli ruminanti. Parassitologia, Vol. 48 (3), p. 403-408. ISSN 0048-2951. Article.

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Abstract

Abomasal Trichostrongylidae infections are still today an important cause of scarce performances in small ruminants, mainly when bred in extensive systems. Although morpho-biology, symptomatology, prophylaxis and therapy of these infections are well known, other, such as physiopathology, are less investigated. The aim of the present note is to review the more important physiopathogenetic mechanisms of abomasal Trichostrongylidae infections, with special emphasis to Haemonchus spp. and Teladorsagia spp. The parasitic anorexia due to the action of gastrin, the defects of digestion due to hypocloridia, the scarce intestinal absorption and anaemia caused by H. contortus are discussed. Furthermore, the effects of hypersensitivity sometimes caused by these abomasal nematodes are examined. A better knowledge of physiopathological mechanisms can represent an important factor to understand the relationships between host and parasite, useful to set up new diagnostic techniques or new therapeutic and prophylactic protocols for sanitary education and control plans of these important and widespread parasitic infections.

Item Type:Article
ID Code:2755
Status:Published
Refereed:Yes
Uncontrolled Keywords:Trichostrongylidae, abomasum, physiopathology, small ruminants
Subjects:Area 07 - Scienze agrarie e veterinarie > VET/06 Parassitologia e malattie parassitarie degli animali
Divisions:001 Università di Sassari > 01 Dipartimenti > Biologia animale
Publisher:For the University of Rome "La Sapienza" by Lombardo Editore
ISSN:0048-2951
Publisher Policy:Depositato per gentile concessione del Dipartimento di Scienze di sanità pubblica, Sezione di parassitologia "Ettore Bicocca", Università di Roma "La Sapienza"
Additional Information:Relazione presentata al Convegno “Attualità sulle parassitosi gastro-intestinali degli ovini e dei caprini”, Milano-Sassari, Italia, 3-4 novembre 2005.
Deposited On:18 Aug 2009 10:08

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