Seronegativity of Iberian ibex (Capra pyrenaica) against Toxoplasma gondii and Neospora caninum is consistent with eco-epidemiological and environmental features in Mediterranean mountainous areas
Cano-Manuel, Alejandro (Universidad de Murcia)
Granados Torres, José Enrique (Parque Nacional y Parque Natural Sierra Nevada)
Álvarez García, Gema (Universidad Complutense de Madrid)
Huertas-López, Ana (Universidad de Murcia)
Diezma-Díaz, Carlos (Universidad Complutense de Madrid)
Cano-Manuel, Francisco Javier (Parque Nacional y Parque Natural Sierra Nevada)
Ortega-Mora, Luis Miguel (Universidad Complutense de Madrid)
Fandos, Paulino
Mentaberre García, Gregorio (Universitat de Lleida)
López Olvera, Jorge R (Universitat Autònoma de Barcelona. Departament de Medicina i Cirurgia Animals)
Martínez-Carrasco, Carlos (Universidad de Murcia)

Data:	2025
Resum:	Knowledge of pathogen epidemiological dynamics and habitat ecological features is essential for wildlife population and health monitoring and management. Toxoplasma gondii and Neospora caninum are two broadly distributed multi-host parasites that affect both wild and domestic animals and, in the case of T. gondii, cause zoonosis. This study reports the seroprevalence of both parasites in Iberian ibex (Capra pyrenaica), a mountain wild ruminant native to the Iberian Peninsula, from the Natural Space of Sierra Nevada (NSSN) in southeastern Spain. Serum from 146 Iberian ibexes were analysed using two in-house ELISA techniques. The positive and doubtful sera were further checked by Western Blot (WB). Seventeen ibexes (11. 6 %; 95 % confidence interval 6. 4-16. 7) were positive for T. gondii and seven (4. 8 %; 95 % confidence interval 1. 3-8. 2) for N. caninum. However, no sera were positive to T. gondii nor to N. caninum by WB. Using at least two different serological techniques is recommended when they are not validated for the target host species. The NSSN is a hypoendemic area for T. gondii and N. caninum, probably determined by the reduced abundance and restricted distribution of their definitive hosts. This would explain the hypoendemic situation in the NSSN and the lack of specific antibodies against these two parasites in the Iberian ibex population. This eco-epidemiological scenario can be challenged by climate and anthropogenic changes, recommending long-term monitoring Iberian ibex population and health, both as a conservation measure for the species and as an indicator of the potential impact of global change on high mountain ecosystems.
Ajuts:	Agencia Estatal de Investigación CGL2012-40043-C02-01 Agencia Estatal de Investigación CGL2012-40043-C02-02 Agencia Estatal de Investigación CGL2016-80543-P
Nota:	Altres ajuts: acords transformatius de la UAB
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, i la comunicació pública de l'obra, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. No es permet la creació d'obres derivades.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Eco-epidemiology ; Elisa ; Iberian ibex ; Neospora caninum ; Toxoplasma gondii ; Western blot
Publicat a:	Research in veterinary science, Vol. 184 (2025) , p. 105530, ISSN 1532-2661

DOI: 10.1016/j.rvsc.2025.105530
PMID: 39798541

7 p, 1.5 MB

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