Summer Eczema in Exported Icelandic Horses
Author Information
Author(s): Björnsdóttir Sigríður, Sigvaldadóttir Jakobína, Broström Hans, Langvad Birgitte, Sigurðsson Ágúst
Primary Institution: Icelandic Veterinary Services
Hypothesis
What are the environmental and genetic factors influencing the prevalence of summer eczema in exported Icelandic horses?
Conclusion
Exported Icelandic horses are predisposed to summer eczema due to their lack of early exposure to the biting midges that cause the disease.
Supporting Evidence
- 34.5% of the examined horses showed clinical signs of summer eczema.
- The prevalence was highest 2 years after export.
- Exposure to Culicoides spp. was identified as the main risk factor for developing summer eczema.
Takeaway
Icelandic horses that are sent to other countries can get a skin problem called summer eczema because they aren't used to the bugs that bite them.
Methodology
A cross-sectional study was conducted to assess the prevalence and risk factors of summer eczema in exported Icelandic horses through clinical examinations and owner interviews.
Potential Biases
There is a risk of selection bias as owners of horses with summer eczema may have been more inclined to participate.
Limitations
The study may have bias as owners of affected horses were more likely to participate, and a central database for Icelandic horses was not available at the time.
Participant Demographics
The study included 330 horses, with a mean age of 10.3 years, comprising 58% mares, 31% geldings, and 11% stallions.
Statistical Information
P-Value
0.002
Confidence Interval
1.016 – 1.183
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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