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Sex-biased severity of sarcoptic mange at the same biological cost in a sexually dimorphic ungulate
López Olvera, Jorge R. (Universitat Autònoma de Barcelona. Servei d'Ecopatologia de Fauna Salvatge (SEFaS). Departament de Medicina i Cirurgia)
Serrano Ferron, Emmanuel (Universitat Autònoma de Barcelona. Servei d'Ecopatologia de Fauna Salvatge)
Armenteros, Anna (Universitat Autònoma de Barcelona. Servei d'Ecopatologia de Fauna Salvatge)
Pérez, Jesús M. (Espacio Natural Sierra Nevada)
Fandos, Paulino (Parque Natural Sierras de Cazorla, Segura y Las Villas)
Carvalho, João (Universitat Autònoma de Barcelona. Servei d'Ecopatologia de Fauna Salvatge)
Velarde, Roser (Universitat Autònoma de Barcelona. Servei d'Ecopatologia de Fauna Salvatge)
Cano-Manuel, Francisco Javier (Espacio Natural Sierra Nevada)
Ráez-Bravo, Arián (Espacio Natural Sierra Nevada)
Espinosa, José (Espacio Natural Sierra Nevada)
Soriguer, Ramón C. (Estación Biológica de Doñana)
Granados, José Enrique (Espacio Natural Sierra Nevada)

Date: 2015
Abstract: Background: In sexually dimorphic species, male susceptibility to parasite infection and mortality is frequentlyhigher than in females. The Iberian ibex (Capra pyrenaica) is a sexually dimorphic mountain ungulate endemic to the Iberian Peninsula commonly affected by sarcoptic mange, a chronic catabolic skin disease caused by Sarcoptes scabiei. Since 1992, sarcoptic mange affects the Iberian ibex population of the Sierra Nevada Natural Space (SNNS). This study aims at exploring whether mange severity, in terms of prevalence and its effects on body condition, is male-biased in Iberian ibex. Findings: One thousand and seventy-one adult Iberian ibexes (439 females and 632 males) were randomly shot-harvested in the SNNS from May 1995 to February 2008. Sarcoptic mange stage was classified as healthy, mildly infected or severely infected. Sex-biased prevalence of severe mange was evaluated by a Chi-square test whereas the interaction between mange severity and sex on body condition was assessed by additive models. Among scabietic individuals, the prevalence of severely affected males was 1. 29 times higher than in females. On the other hand, both sexes were not able to take profit of a higher availability of seasonal food resources when sarcoptic, particularly in the severe stages. Conclusions: Sarcoptic mange severity is male-biased in Iberian ibex, though not mange effects on body condition. Behavioural, immunological and physiological characteristics of males may contribute to this partial sex-biased susceptibility to sarcoptic mange.
Note: Número d'acord de subvenció MINECO/CGL-2012-40043-C02-01
Rights: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. Creative Commons
Language: Anglès
Document: article ; recerca ; publishedVersion
Subject: Veterinària ; Cabres ; Body condition ; Kidney fat index ; Sarcoptes scabiei ; Sexual dimorphism ; Capra pyrenaica
Published in: Parasites & Vectors, Núm. 8 (2015)

DOI: 10.1186/s13071-015-1186-6
PMID: 26555065

6 p, 941.1 KB

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (scientific output) > Health sciences and biosciences > Research group Wildlife Ecology & Health
Articles > Research articles
Articles > Published articles

 Record created 2019-02-26, last modified 2020-11-20

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