Estudio de prevalencia de agentes patógenos en corzo (Capreolus capreolus) transmitidos por garrapatas en el área cinegética de alcornocales
2018
The Epidemiological Surveillance Program for Wildlife in Andalusia (PVE) has collaborated with the Spanish
Roe Deer Association (ACE) in the study titled: “Health status of Roe Deer Iberian populations”. Over the PVE,
different biological samples (blood, organs, ectoparasites) are taken from roe deer hunted in the Alcornocales hunting
area. During the spring of 2016 and 2017, samples were taken from a total of 56 roe deer hunted on 7 hunting
properties (half of them corresponding to the South half of Los Alcornocales Natural Park, at the municipalities of
Los Barrios and Tarifa). Part of the samples (blood and spleen) were sent to the research group on Animal Health
Galicia (INVESAGA) from the veterinary Faculty of Santiago de Compostela Univesity. The results obtained from
the roe deer serum samples through Indirect Immunofluorescence reveal a prevalence of Borrelia spp. of 46,3%.
On the other hand, the PCR analysis carried out on the roe deer spleen samples, revealed a prevalence of 79% for
Anaplasma spp as well as a 100% for Babesia spp. and Theileria spp. Regarding the tick samples, the following
species have been identified in the study area: Ixodes ricinus, Rhipicephalus sanguineus, Hyalomma marginatum,
Hyaloma lusitanicum, Haemaphysalis punctata, Dermacentor marginatum. Furthermore, through a collaboration
with the environmental guards, a ticks sampling was started in spring 2017, which will continue during summer
and autumn seasons, in order to identify the species and for possible new studies on the prevalence of tick-borne
pathogens.
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