Spatial and Temporal Evolution of Bluetongue Virus in Wild Ruminants, Spain
2008

Bluetongue Virus in Wild Ruminants in Spain

Sample size: 2435 publication Evidence: moderate

Author Information

Author(s): Ruiz-Fons Francisco, Reyes-García Álvaro R., Alcaide Vicente, Gortázar Christian

Primary Institution: Instituto de Investigación en Recursos Cinegéticos

Hypothesis

What is the seroprevalence of bluetongue virus in wild ruminants in Spain?

Conclusion

The study confirmed the presence of bluetongue virus antibodies in multiple wild ruminant species across Spain, indicating a complex epidemiology.

Supporting Evidence

  • Antibodies to bluetongue virus were found in 5 wild ruminant species.
  • BTV seroprevalence was high and showed a south-to-north gradient.
  • Red deer had the highest seroprevalence rates among the species studied.
  • Sampling was conducted across 62 locations in southern Spain.
  • Most samples were collected during the hunting season.

Takeaway

Scientists found that many wild animals in Spain have been infected with a virus that can spread to livestock, showing that wildlife can be important for tracking this disease.

Methodology

Blood samples were collected from various wild ruminant species across southern Spain and tested for antibodies to bluetongue virus using ELISA.

Limitations

Samples were not obtained during certain periods due to logistic constraints, and the study focused only on specific regions.

Participant Demographics

The study included red deer, fallow deer, roe deer, mouflon, and aoudad, with most samples collected from hunted animals.

Digital Object Identifier (DOI)

10.3201/eid1406.071586

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