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Re: RC: Re: Black horses

Susan Evans Garlinghouse wrote:

> Black horses absorb more heat than light colored horses, but they also
> radiate the excess heat faster than the lighter horses.  So they might heat
> up a little more/faster, but would cool down more quickly when put into the
> shade at a check.

True but cooling from radiation loss is way down in the noise compaired to heat
loss from evaporation, convection and loss from heat transfer from he lungs -
panting.  It will not offset the additional heat gain from absorbtion. Now if
the competitions were run at night the dark horses would have an advantage.

However, there are many other factors that can outweigh the disadvantage of
coat color. All other things being equal, the light colored horses will have an
advantage.  If you don't absorb the heat you don't have to deal with it.

All that being said, I'll not own a gray horse.  I just like a little color.


> I'd never choose or reject a horse based on his color, but if I did have a
> very dark horse, I'd probably make an effort to find/create shade for him at
> checks to take advantage of the faster radiation rate.  Heat losses through
> evaporation should probably stay about the same between colors.

Truman Prevatt
Brooksville, FL

Mystic "The Horse from Hell" Storm with one on the way
Rocket a.k.a. Mr. Misty
Jordy a.k.a. Bridger (when he is good)
Danson Flame - Hot Dog I'm healed and ready to go.

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