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Re: [RC] Descanso disasters, vol 2 - Rebecca Hackworth

Of course Don and Nancy are both in Pacific South where there is no
humidity to speak of.  And I completely agree with Don for riding
here, if not down within 10 HERE, back off.  Let them grab a bite of
grass......

What ever it takes.



---- Original Message ----
From: ranch@xxxxxxxxxxx
To: ridecamp@xxxxxxxxxxxxx, donhuston@xxxxxxx
Subject: Re: [RC]   Descanso disasters, vol 2
Date: Wed, 18 Jun 2008 17:43:23 -0600


"...your horse cannot reach 60 bpm within 10 minutes WHENEVER YOU
STOP then you are over riding your horse..."


I respectfully dissagree.  If you are riding a well conditioned horse
in very humid (>95% humidity) and high temperatures (>90 F), unless
lots of cold water is placed on the horse, the pulse can easily hang
over 60 for extended periods.  Cooling requires someplace for the
heat to go.  It can be used to evaporate water.  At high humidity,
and high temperatures (we are talking high dew points here in
addition to high relative humidity.  Dew point is really what
controls things, we just aren't used to thinking about that.) the 102
F water sweat out on the horse just will not evaporate taking heat
with it.  The same goes for conduction to the air.  The amount of
heat transfered (with all other vaiiables controled) is proportional
to the temperature difference.  There just is not much difference
between a 102 F horse and 95 F air.


Please note:  I am just trying to say that a simple prescription of
so many minutes to a certain pulse is just to simple, the ambient
conditions, the horse, his state of training etc. all have to be
taken into consideration.  Colics happen.  Ranger ended up in a vet
hospital for 2 days with colic.  He came into the check, pulsed
immediately, etc.  20 minutes later he felt rotten.  45 minutes later
he was on IV.  I wish horses were as simple as certain pulse and
recovery.

Ed
Ed & Wendy Hauser
2994 Mittower Road
Victor, MT 59875

(406) 642-9640

ranch(at)sisuwest(dot)us




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