Low seroprevalence of Neospora caninum infection associated with the limousin breed in cow-calf herds in Andorra, Europe

Ramon Armengol, Marcela Pabón, Pilar Santolaria, Oscar Cabezón, Carles Adelantado, Jesús Yániz, Fernando López-Gatius, Sonia Almería

Research output: Contribution to journalArticleResearchpeer-review

23 Citations (Scopus)

Abstract

Neospora caninum seroprevalence and risk factors affecting seroprevalence in beef cattle in Andorra were investigated. Antibodies to N. caninum were evaluated by enzyme-linked immunosorbent assay performed on a yearly basis in 1,758 animals older than 6 mo, belonging to 26 herds. Mean seroprevalence of antibodies to N. caninum for the herds was 7.4 ± 1.2% (130/1,758). Logistic regression analyses were performed on data from each animal, considering N. caninum seropositivity as the dependent variable, and herd, grazing area, year of sampling, repeat-test animal (animals sampled twice or more), sex, breed, age (animals <4 yr old or ≥5 yr old), and country of birth as possible risk factors. Based on the odds ratio, the prevalence of infection was 2.1 times higher (P < 0.01) in animals from the Ordino grazing area, 1.64 times higher in animals older than 5 yr (P < 0.01), and 6.7 times (1/0.15) lower in Limousin-mixed Limousin cattle (P < 0.002). The results suggest that the particular grazing location could promote the horizontal transmission of this parasite and that certain breeds are less susceptible to N. caninum infection than others. © American Society of Parasitologists 2007.
Original languageEnglish
Pages (from-to)1029-1032
JournalJournal of Parasitology
Volume93
DOIs
Publication statusPublished - 1 Oct 2007

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