Cited by 60Microbial infections and disease researchEffects of Environmental Stressors on LivestockZoonotic diseases and public health

Fatal Pneumonia Epizootic in Musk Ox (Ovibos moschatus) in a Period of Extraordinary Weather Conditions

Ytrehus, Bjørnar, Bretten, Tord, Bergsjø, Bjarne, Isaksen, Ketil·2008·EcoHealth

Abstract

The musk ox is adapted to extreme cold and regarded as vulnerable to the impacts of climate change. Population decline is proposed to occur due to changes in forage availability, insect harassment, parasite load, and habitat availability, while the possible role of infectious diseases has not been emphasized. The goal of the present article is to describe an outbreak of fatal pasteurellosis that occurred in the introduced musk ox population of Dovrefjell, Norway in 2006, causing the death of a large proportion of the animals. The epizootic coincided with extraordinary warm and humid weather, conditions that often are associated with outbreaks of pasteurellosis. The description is based on long series of data from the surveillance of the musk ox population, weather data from a closely located meteorological station, and pathoanatomical investigation of the diseased animals. It is concluded that the weather conditions likely were the decisive factors for the outbreak. It is suggested that such epizootics may occur increasingly among cold-adapted animals if global warming results in increased occurrence of heat waves and associated extreme weather events, thereby causing population declines and possibly extinctions.

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Crossref · 10.1007/s10393-008-0166-0

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37 of 37 references verified0 citation errors · 0 not checkable

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Authors
Ytrehus, B., Bretten, T., Bergsjø, B., & Isaksen, K.
Affiliations
  • Norwegian Veterinary Institute (NO)
  • Swedish Veterinary Agency (SE)
  • Norwegian Meteorological Institute (NO)
Corresponding author
Ytrehus, Bjørnar
Venue
EcoHealth
Published
2008-03-25
Volume
5
Issue
2
Pages
213-223
ISSN
  • 1612-9202 (ISSN-L)
  • 1612-9210
OpenAlex
W2028457671
Cited by
60
References
35
Citations by year
2026: 2 · 2025: 2 · 2023: 1 · 2022: 4 · 2021: 2 · 2020: 1 · 2019: 5 · 2018: 3 · 2017: 5 · 2015: 7 · 2014: 6 · 2013: 2 · 2012: 9
FWCI
3.52
Type
journal article
Language
en
Open access
closed
Locations
  • EcoHealth (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Microbiology › Microbial infections and disease research
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Effects of Environmental Stressors on Livestock
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Zoonotic diseases and public health
Keywords
Ovibos moschatus, pasteurellosis, epizootic, fatal pneumonia, extreme weather events, heat waves, climate change, introduced populations, Dovrefjell, wildlife disease outbreak, population decline (ecology), extinction risk
MeSH terms
Adaptation, Physiological, Animals, Animal Husbandry, Arctic Regions, Cold Climate, Disease Outbreaks, Geography, Norway, Pasteurella, Ruminants, Pasteurellosis, Pneumonic, Weather, Greenhouse Effect, Ecosystem, Mannheimia

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