The impact of multiple infections on wild animal hosts: a review

Bordes Frédéric, Morand Serge. 2011. The impact of multiple infections on wild animal hosts: a review. Infection Ecology and Epidemiology, 1 (7346), 10 p.

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Abstract : Field parasitological studies consistently demonstrate the reality of polyparasitism in natural systems. However, only recently, studies from ecological and evolutionary fields have emphasised a broad spectrum of potential multiple infections-related impacts. The main goal of our review is to reunify the different approaches on the impacts of polyparasitism, not only from laboratory or human medical studies but also from field or theoretical studies. We put forward that ecological and epidemiological determinants to explain the level of polyparasitism, which regularly affects not only host body condition, survival or reproduction but also host metabolism, genetics or immune investment. Despite inherent limitations of all these studies, multiple infections should be considered more systematically in wildlife to better appreciate the importance of parasite diversity in wildlife, cumulative effects of parasitism on the ecology and evolution of their hosts. (Résumé d'auteur)

Mots-clés Agrovoc : Parasitisme, Impact sur l'environnement, Hôte, Animal sauvage, Genre humain, Helminthe, Nematoda, Protozoa, Épidémiologie, Plasmodium, Leishmania mexicana, Toxoplasma gondii, Trypanosoma cruzi, Métabolisme, Écologie animale, Parasitose, Distribution géographique

Mots-clés géographiques Agrovoc : Monde

Mots-clés complémentaires : Influence anthropique, Diversité génétique

Classification Agris : L73 - Animal diseases
L72 - Pests of animals
L50 - Animal physiology and biochemistry

Champ stratégique Cirad : Axe 4 (2005-2013) - Santé animale et maladies émergentes

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