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000156579 001__ 156579 000156579 005__ 20251009133840.0 000156579 0247_ $$2doi$$a10.1016/j.ttbdis.2025.102486 000156579 0248_ $$2sideral$$a143872 000156579 037__ $$aART-2025-143872 000156579 041__ $$aeng 000156579 100__ $$0(orcid)0000-0002-8474-2831$$aRuiz, Héctor$$uUniversidad de Zaragoza 000156579 245__ $$aEpidemiological study on the prevalence of Anaplasma ovis infection in Aragón, Spain 000156579 260__ $$c2025 000156579 5060_ $$aAccess copy available to the general public$$fUnrestricted 000156579 5203_ $$aOvine anaplasmosis is an emerging disease in Europe, primarily affecting the Mediterranean region. It is caused by Anaplasma ovis, a bacterium mainly transmitted by ticks. Despite its growing presence, comprehensive data on its distribution across Europe remain scarce. This epidemiological study aimed to assess the prevalence of A. ovis in sheep farms across Aragón, Spain, between March 2023 and April 2024. A total of 70 farms, covering a diverse range of climatic zones within Aragón, were sampled, representing 700 sheep. Two pooled blood samples, each comprising five sheep per farm, were tested using quantitative PCR (qPCR) to detect the presence of A. ovis. The results revealed a widespread presence of the bacterium, with 69 out of 70 farms testing positive. The only negative case was a farm located in a Steppe Dry climate area near Zaragoza, at approximately 240 m above sea level. Notably, no clinical signs of the disease were observed in any of the animals during the study period. In addition to the high prevalence, the study highlighted a concerning lack of awareness among farmers, with only 33 % reporting familiarity with the disease. These findings underscore the extensive distribution of A. ovis in Aragón and suggest that neither climatic conditions nor livestock management practices had a significant influence on transmission. The study also emphasizes the urgent need for enhanced control measures, increased farmer education, and further research into environmental and management factors that may contribute to outbreaks. 000156579 536__ $$9info:eu-repo/grantAgreement/ES/DGA/A15-20R$$9info:eu-repo/grantAgreement/ES/DGA/A15-23R 000156579 540__ $$9info:eu-repo/semantics/openAccess$$aby-nc-nd$$uhttps://creativecommons.org/licenses/by-nc-nd/4.0/deed.es 000156579 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion 000156579 700__ $$0(orcid)0000-0002-4655-9171$$aGonzález, José María$$uUniversidad de Zaragoza 000156579 700__ $$0(orcid)0000-0002-7655-2472$$aRuiz de Arcaute, Marta$$uUniversidad de Zaragoza 000156579 700__ $$0(orcid)0000-0001-6209-4282$$aVillanueva-Saz, Sergio$$uUniversidad de Zaragoza 000156579 700__ $$0(orcid)0000-0002-2724-2785$$aRamos, Juan José$$uUniversidad de Zaragoza 000156579 700__ $$aArnal, José Luis 000156579 700__ $$aBaselga, Cristina 000156579 700__ $$0(orcid)0009-0003-9757-3840$$aQuílez, Pablo$$uUniversidad de Zaragoza 000156579 700__ $$0(orcid)0000-0002-0313-5926$$aOrtín, Aurora$$uUniversidad de Zaragoza 000156579 700__ $$0(orcid)0000-0002-7822-6646$$aLacasta, Delia$$uUniversidad de Zaragoza 000156579 7102_ $$11009$$2617$$aUniversidad de Zaragoza$$bDpto. Patología Animal$$cÁrea Medicina y Cirugía Animal 000156579 773__ $$g16, 3 (2025), 102486 [8 pp.]$$pTicks Tick-borne Dis.$$tTicks and Tick-borne Diseases$$x1877-959X 000156579 8564_ $$s7022922$$uhttps://zaguan.unizar.es/record/156579/files/texto_completo.pdf$$yVersión publicada 000156579 8564_ $$s2465852$$uhttps://zaguan.unizar.es/record/156579/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada 000156579 909CO $$ooai:zaguan.unizar.es:156579$$particulos$$pdriver 000156579 951__ $$a2025-10-09-13:25:51 000156579 980__ $$aARTICLE
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