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Re: [RC] sodium bicarb formula in Equi ade - Susan E. Garlinghouse, D.V.M.

My preference would be a formulation with zero bicarb in it.  Yes, a small percentage of endurance horses produce enough lactic acid that bicarb may be helpful.  The majority of horses out there do not.  In hot environments, most horses will be breathing hard enough to cool themselves off that the systems run towards alkalotic, with a related effect that blood-borne calcium is more highly protein-bound (and thus less available) and thus more of a contributing factor towards tying up and other electrolyte-depletion-related fatigue syndrome.  As such, whatever lactic acid is being produced may be helpful is offsetting a trend towards alkalosis.
 
I shoulda just stopped at the short answer above.  My preference is zero bicarb for endurance horses.
 
Susan Garlinghouse, DVM
----- Original Message -----
Sent: Monday, May 31, 2004 12:46 PM
Subject: FW: sodium bicarb formula in Equi ade

This is a post from the Equi ade manufacturer. Heidi  & Susan , please evaluate her formula and let me know if this 6.5% is too much for our sport.
 
Thanks,
Susan
-----Original Message-----
From: LIGHTENINGW@xxxxxxx [mailto:LIGHTENINGW@xxxxxxx]
Sent: Friday, May 28, 2004 4:23 PM
To: milamj@xxxxxxxxxxx
Subject: Re: sodium bicarb in Equi ade

Hi Susan- I understand your concerns about sodium bicarbonate for Endurance Horses.  And this issue really is under debate, as it is the amount of sodium bicarb that is probably what is more important.  In high levels it could be bad for horses after they have exercised (actually sweated) to an extreme amount.  But in a small percentage sodium bicarb is found to be more beneficial than harmful.  Here is why:  Muscles get their enegy and blood supply from cells.  These cells help maintain a normal acid/alkaline balance in the horses metabolic system, which helps the horse perform to it's best capabilities without suffering from metabolic stress.  When a horse (or human) overexerts their muscles through exercise the muscles can end up with an overload of lactic acid (or acidosis)  which causes muscle soreness and can lead to tying up.  The reason sodium bicarbonate is in Equi-ade, (and some other electrolytes), is that sodium bicarb is an alkaline based product which therefore helps balance out the overabundance of lactic acid in the cells, which then promotes normal cell function to the muscles, in working horses or people. But, there are some camps who beleive sodium bicarb is not a good thing in electrolytes because horses that sweat in great excess (like endurance horses) can then suffer from alkalosis, and suffer metabolically.   So if a horse is in alkalosis then you would not want to add any more alkaline products to the horses system.  You may know all or some of this, but thought I would go over that with you.  Before I developed Equi-ade, I researched these types of issues and checked with both the veterinarians at Texas A&M University, (they actually gave me the base formula for an electrolyte for working horses), and Shelly Bridges-top Endurance rider and trainer, she has ridden on a few Pan Am teams, and they both agreed that sodium bicarb in a small percentage was much more beneficial to working horses than harmful. (This is how I formulated my percentages for Equi-ade, which is 6.5%).  I have been using Equi-ade on my own horses (as guinea pigs!) here in Texas for a year now, with very good results.  Although I train dressage horses, I can promise you that here in theTexas summers, they really have tough workouts and sweat in great amounts.  What you would want to avoid in a very hot sweaty horse is large amounts of sodium bicarb, like the type that might be in a paste?  (I would have to compare the percentages to know that for sure.)  I had another endurance rider ask this same question a few weeks ago.  I told her  what I told you but suggested she should consult with her own veterinarian on the matter, as I think each horse owner should decide what they think is best for them.  I did ship out the three Equi-ade containers to you today, so If you want, you can keep these if you feel comfortable with this.  If you decide you do not want to use the Equi-ade with the sodium bicarb, just e mail me and let me know.  I can make you up Equi-ade bicarb free!  If you would send back the other box I will send you three more that are bicarb free and reimburse your shipping from the other box.  Hopes this help answer your questions. 
Take care- sincerely-Jennifer Weems /Hot Pony Products