If I recall correctly, foamy sweat does not
necessarily indicate an unconditioned horse. It just means that the horse
hasn't been worked much recently. After a period of regular work --
long before the horse is at all fit -- the foam will have been flushed from the
sweat glands and the sweat will be clear. Then, there may or may not
be less sweat, but it will be less obvious. And, clear sweat doesn't
necessarily mean that the horse has less need for electrolytes.
At least for some horses, all it takes is a short
period of no work (like to recover from a stone bruise) for the sweat to be
foamy again.
Cindy
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