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An unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat
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| Zeitschriftentitel: | Proceedings of the Royal Society B: Biological Sciences |
|---|---|
| Personen und Körperschaften: | , , , , , , |
| In: | Proceedings of the Royal Society B: Biological Sciences, 277, 2010, 1688, S. 1643-1650 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
The Royal Society
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| Schlagwörter: |
| author_facet |
Horváth, Gábor Blahó, Miklós Kriska, György Hegedüs, Ramón Gerics, Balázs Farkas, Róbert Åkesson, Susanne Horváth, Gábor Blahó, Miklós Kriska, György Hegedüs, Ramón Gerics, Balázs Farkas, Róbert Åkesson, Susanne |
|---|---|
| author |
Horváth, Gábor Blahó, Miklós Kriska, György Hegedüs, Ramón Gerics, Balázs Farkas, Róbert Åkesson, Susanne |
| spellingShingle |
Horváth, Gábor Blahó, Miklós Kriska, György Hegedüs, Ramón Gerics, Balázs Farkas, Róbert Åkesson, Susanne Proceedings of the Royal Society B: Biological Sciences An unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat General Agricultural and Biological Sciences General Environmental Science General Immunology and Microbiology General Biochemistry, Genetics and Molecular Biology General Medicine |
| author_sort |
horváth, gábor |
| spelling |
Horváth, Gábor Blahó, Miklós Kriska, György Hegedüs, Ramón Gerics, Balázs Farkas, Róbert Åkesson, Susanne 0962-8452 1471-2954 The Royal Society General Agricultural and Biological Sciences General Environmental Science General Immunology and Microbiology General Biochemistry, Genetics and Molecular Biology General Medicine http://dx.doi.org/10.1098/rspb.2009.2202 <jats:p>White horses frequently suffer from malign skin cancer and visual deficiencies owing to their high sensitivity to the ultraviolet solar radiation. Furthermore, in the wild, white horses suffer a larger predation risk than dark individuals because they can more easily be detected. In spite of their greater vulnerability, white horses have been highly appreciated for centuries owing to their natural rarity. Here, we show that blood-sucking tabanid flies, known to transmit disease agents to mammals, are less attracted to white than dark horses. We also demonstrate that tabanids use reflected polarized light from the coat as a signal to find a host. The attraction of tabanids to mainly black and brown fur coats is explained by positive polarotaxis. As the host's colour determines its attractiveness to tabanids, this parameter has a strong influence on the parasite load of the host. Although we have studied only the tabanid–horse interaction, our results can probably be extrapolated to other host animals of polarotactic tabanids, as the reflection–polarization characteristics of the host's body surface are physically the same, and thus not species-dependent.</jats:p> An unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat Proceedings of the Royal Society B: Biological Sciences |
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An unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat |
| title_unstemmed |
An unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat |
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An unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat |
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An unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat |
| title_full_unstemmed |
An unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat |
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An unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat |
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an unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat |
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General Agricultural and Biological Sciences General Environmental Science General Immunology and Microbiology General Biochemistry, Genetics and Molecular Biology General Medicine |
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<jats:p>White horses frequently suffer from malign skin cancer and visual deficiencies owing to their high sensitivity to the ultraviolet solar radiation. Furthermore, in the wild, white horses suffer a larger predation risk than dark individuals because they can more easily be detected. In spite of their greater vulnerability, white horses have been highly appreciated for centuries owing to their natural rarity. Here, we show that blood-sucking tabanid flies, known to transmit disease agents to mammals, are less attracted to white than dark horses. We also demonstrate that tabanids use reflected polarized light from the coat as a signal to find a host. The attraction of tabanids to mainly black and brown fur coats is explained by positive polarotaxis. As the host's colour determines its attractiveness to tabanids, this parameter has a strong influence on the parasite load of the host. Although we have studied only the tabanid–horse interaction, our results can probably be extrapolated to other host animals of polarotactic tabanids, as the reflection–polarization characteristics of the host's body surface are physically the same, and thus not species-dependent.</jats:p> |
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| author | Horváth, Gábor, Blahó, Miklós, Kriska, György, Hegedüs, Ramón, Gerics, Balázs, Farkas, Róbert, Åkesson, Susanne |
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| description | <jats:p>White horses frequently suffer from malign skin cancer and visual deficiencies owing to their high sensitivity to the ultraviolet solar radiation. Furthermore, in the wild, white horses suffer a larger predation risk than dark individuals because they can more easily be detected. In spite of their greater vulnerability, white horses have been highly appreciated for centuries owing to their natural rarity. Here, we show that blood-sucking tabanid flies, known to transmit disease agents to mammals, are less attracted to white than dark horses. We also demonstrate that tabanids use reflected polarized light from the coat as a signal to find a host. The attraction of tabanids to mainly black and brown fur coats is explained by positive polarotaxis. As the host's colour determines its attractiveness to tabanids, this parameter has a strong influence on the parasite load of the host. Although we have studied only the tabanid–horse interaction, our results can probably be extrapolated to other host animals of polarotactic tabanids, as the reflection–polarization characteristics of the host's body surface are physically the same, and thus not species-dependent.</jats:p> |
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| spelling | Horváth, Gábor Blahó, Miklós Kriska, György Hegedüs, Ramón Gerics, Balázs Farkas, Róbert Åkesson, Susanne 0962-8452 1471-2954 The Royal Society General Agricultural and Biological Sciences General Environmental Science General Immunology and Microbiology General Biochemistry, Genetics and Molecular Biology General Medicine http://dx.doi.org/10.1098/rspb.2009.2202 <jats:p>White horses frequently suffer from malign skin cancer and visual deficiencies owing to their high sensitivity to the ultraviolet solar radiation. Furthermore, in the wild, white horses suffer a larger predation risk than dark individuals because they can more easily be detected. In spite of their greater vulnerability, white horses have been highly appreciated for centuries owing to their natural rarity. Here, we show that blood-sucking tabanid flies, known to transmit disease agents to mammals, are less attracted to white than dark horses. We also demonstrate that tabanids use reflected polarized light from the coat as a signal to find a host. The attraction of tabanids to mainly black and brown fur coats is explained by positive polarotaxis. As the host's colour determines its attractiveness to tabanids, this parameter has a strong influence on the parasite load of the host. Although we have studied only the tabanid–horse interaction, our results can probably be extrapolated to other host animals of polarotactic tabanids, as the reflection–polarization characteristics of the host's body surface are physically the same, and thus not species-dependent.</jats:p> An unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat Proceedings of the Royal Society B: Biological Sciences |
| spellingShingle | Horváth, Gábor, Blahó, Miklós, Kriska, György, Hegedüs, Ramón, Gerics, Balázs, Farkas, Róbert, Åkesson, Susanne, Proceedings of the Royal Society B: Biological Sciences, An unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat, General Agricultural and Biological Sciences, General Environmental Science, General Immunology and Microbiology, General Biochemistry, Genetics and Molecular Biology, General Medicine |
| title | An unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat |
| title_full | An unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat |
| title_fullStr | An unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat |
| title_full_unstemmed | An unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat |
| title_short | An unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat |
| title_sort | an unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat |
| title_unstemmed | An unexpected advantage of whiteness in horses: the most horsefly-proof horse has a depolarizing white coat |
| topic | General Agricultural and Biological Sciences, General Environmental Science, General Immunology and Microbiology, General Biochemistry, Genetics and Molecular Biology, General Medicine |
| url | http://dx.doi.org/10.1098/rspb.2009.2202 |