{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,2]],"date-time":"2025-09-02T13:10:25Z","timestamp":1756818625210,"version":"3.44.0"},"reference-count":50,"publisher":"American Veterinary Medical Association (AVMA)","issue":"9","license":[{"start":{"date-parts":[[2025,9,1]],"date-time":"2025-09-01T00:00:00Z","timestamp":1756684800000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["ajvr"],"published-print":{"date-parts":[[2025,9,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n<jats:sec id=\"sc_a1\">\n<jats:title>Objective<\/jats:title>\n<jats:p>To determine the seroprevalence of infectious agents with reproductive implications in cattle from 3 districts of the high Andean region of Peru over 3,500 m above level sea.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sc_a2\">\n<jats:title>Methods<\/jats:title>\n<jats:p>361 blood samples were collected from cows in 3 districts of the Apurimac department using nonprobabilistic stratified sampling for an exploratory study. Antibodies against <jats:italic>Brucella<\/jats:italic> spp, <jats:italic>Mycobacterium avium<\/jats:italic> subsp <jats:italic>paratuberculosis<\/jats:italic>, bovine viral diarrhea virus, bovine leukemia virus, bluetongue virus, bovine herpesvirus 1 (BHV), and <jats:italic>Neospora caninum<\/jats:italic> (NC) were detected by ELISA. Analysis of independence, multiple correspondence, and logistic regression were performed for risk factors, with district, age, and phenotypic traits as predictors.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sc_a3\">\n<jats:title>Results<\/jats:title>\n<jats:p>The highest seroprevalences were 18.28% BHV and 6.93% NC, with a similar trend at the sector and herd levels. Bovine herpesvirus 1 was predominant in Cotaruse and Oropesa and NC in Oropesa and San Jer\u00f3nimo. The multiple correspondence analysis explained 42.40% of the structural variability, with greater dispersion observed between seropositives for NC and BHV, without a significant association between seropositivities. The district was a risk factor for NC, with a 95% CI of 0.11 to 0.88 in Cotaruse, although the 95% CI for BHV was 7.33 to 630.75 in Cotaruse and 14.11 to 1,289.94 in Oropesa.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sc_a4\">\n<jats:title>Conclusions<\/jats:title>\n<jats:p>BHV and NC are seroprevalent in cows from the sampled high Andean herds, and district location is the strongest risk factor.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sc_a5\">\n<jats:title>Clinical Relevance<\/jats:title>\n<jats:p>Environmental conditions and livestock management practices of the region could explain the seroprevalence rates; however, strengthening surveillance against BHV and NC is imperative to prevent risks of acute or subclinical infections.<\/jats:p>\n<\/jats:sec>","DOI":"10.2460\/ajvr.25.04.0141","type":"journal-article","created":{"date-parts":[[2025,7,8]],"date-time":"2025-07-08T15:52:31Z","timestamp":1751989951000},"source":"Crossref","is-referenced-by-count":0,"title":["Cows of reproductive age in the high Andean region of Peru have seroprevalence of antibodies against bovine herpesvirus 1 and Neospora caninum"],"prefix":"10.2460","volume":"86","author":[{"given":"Victor E.","family":"Contreras-Vilchez","sequence":"first","affiliation":[{"name":"Estaci\u00f3n Experimental Agraria Chumbibamba, Instituto Nacional de Innovaci\u00f3n Agraria, Apur\u00edmac, Peru"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Efrain","family":"Mendoza-Palomino","sequence":"additional","affiliation":[{"name":"Estaci\u00f3n Experimental Agraria Chumbibamba, Instituto Nacional de Innovaci\u00f3n Agraria, Apur\u00edmac, Peru"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C\u00e9sar","family":"Jim\u00e9nez-Aparco","sequence":"additional","affiliation":[{"name":"Estaci\u00f3n Experimental Agraria Chumbibamba, Instituto Nacional de Innovaci\u00f3n Agraria, Apur\u00edmac, Peru"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Darwin","family":"Huam\u00e1n-Lizana","sequence":"additional","affiliation":[{"name":"Estaci\u00f3n Experimental Agraria Chumbibamba, Instituto Nacional de Innovaci\u00f3n Agraria, Apur\u00edmac, Peru"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alex","family":"Acu\u00f1a-Leiva","sequence":"additional","affiliation":[{"name":"Direcci\u00f3n de Desarrollo Tecnol\u00f3gico Agrario, Instituto Nacional de Innovaci\u00f3n Agraria, Lima, Peru"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hurley A.","family":"Quispe-Ccasa","sequence":"additional","affiliation":[{"name":"Direcci\u00f3n de Desarrollo Tecnol\u00f3gico Agrario, Instituto Nacional de Innovaci\u00f3n Agraria, Lima, Peru"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1272","reference":[{"key":"B1","year":"2025","unstructured":"Anuario estad\u00edstico de producci\u00f3n ganadera y av\u00edcola 2023. 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