White horses and Cancer? - The Horse Forum

 
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post #1 of 6 Old 09-03-2012, 11:08 PM Thread Starter
Weanling
 
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White horses and Cancer?

I have a 17 year old Buckskin Quarter horse mare, and I was wondering, because of her light color, is she as pron to Cancer as a white horse?

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post #2 of 6 Old 09-04-2012, 06:06 AM
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Buckskin isn't white? White horses are very rare. Greys are more susceptible to melanomas and such.
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post #3 of 6 Old 09-04-2012, 07:46 AM
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You need to study the differences in color genetics. True 'white' horses have pink skin and are born white. They are NOT prone to malignant melanoma.

Buckskin horses have one dilute gene and do not have a dorsal but do have a dark points -- a dark mane, tail and lower legs.

Gray horses are born one color and gradually turn white with age. Some turn white while other get 'flea-bitten' spots or speckles on them. They may look white but are not true 'white' horses. Many get malignant melanoma as they get older. [My old Vet said they ALL would if they lived long enough.] While it is cancer, it usually does not act like other cancers and usually does not metastasize to other more fatal malignancies. Most gray horses die from something else.

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post #4 of 6 Old 09-04-2012, 10:09 AM
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Grey horses are more prone to melanoma because of the melatonin in their skin.
Their skin is black which means a higher melatonin levels than other horses and more chances of skin cancer. Most other coat colors have white skin underneath the coat and less melatonin so they're less likely for melanoma. So you're buckskin isn't at a as high a risk as a grey is because the skin is most likely white underneath.

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post #5 of 6 Old 09-04-2012, 10:25 AM
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Agree with the above posts, study color genetics a bit more. The only horse I've heard of being prone to melanomas is a grey.

Quote:
Their skin is black which means a higher melatonin levels than other horses and more chances of skin cancer. Most other coat colors have white skin underneath the coat and less melatonin so they're less likely for melanoma
I don't think so. Most horses skin is black, Pink skin on true white, under white markings and one other color I can't remember, otherwise skin is black. I don't know why greys are more prone to melanomas, very curious to find out.
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post #6 of 6 Old 09-04-2012, 04:25 PM Thread Starter
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Ok thanks!
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