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Related Experiment Videos

Spatial aspects of foot-pad dermatitis in Swedish broilers

C Ekstrand1, T E Carpenter

  • 1Department of Animal Environment and Health, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Skara, Sweden. Lotta.Ekstrand@hmh.slu.se

Acta Veterinaria Scandinavica
|October 27, 1998
PubMed
Summary

Foot-pad dermatitis in Swedish broilers shows significant spatial and temporal clustering. High-prevalence flocks originate from specific regions during certain periods, enabling targeted control efforts in the foot-health surveillance program.

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Area of Science:

  • Veterinary epidemiology
  • Animal health surveillance
  • Avian welfare

Background:

  • Foot-pad dermatitis (FPD) is a significant welfare concern in broiler chickens.
  • Understanding the spatial and temporal distribution of FPD is crucial for effective disease control.
  • Swedish broiler production involves a complex network of producers, feed manufacturers, and abattoirs.

Purpose of the Study:

  • To analyze the spatial and spatio-temporal patterns of foot-pad dermatitis in Swedish broilers.
  • To identify geographic regions and time periods with high FPD prevalence.
  • To inform targeted interventions within the national foot-health surveillance program.

Main Methods:

  • Utilized a two-year foot-health surveillance dataset including producer, breed, feed, region, and slaughter date.

Related Experiment Videos

  • Applied spatial analysis using Moran's I and Ipop tests to assess geographic clustering.
  • Examined time-space interactions using the Barton and Knox methods.

    • Main Results:

    • Significant spatial clustering of FPD scores was detected across regions (p < 0.001).
    • Geographic clustering was also significant when considering the number of flocks per region (p < 0.0001).
    • Flocks with very high FPD prevalence exhibited significant clustering in both time and space (p < 0.05).

    Conclusions:

    • Foot-pad dermatitis prevalence in Swedish broilers is not randomly distributed.
    • High-risk areas and periods for FPD have been identified.
    • Findings support a more targeted and effective foot-health surveillance program by focusing on specific regions and times.