[RC] Electrolytes - katswig@xxxxxxxxxxxxxTruman said: Electrolytes are lost in copious amounts by horses in endurance rides. Electrolytes are essential and are not stored in the system. Well...this second statement is not entirely true. While electrolytes ARE essential, some of them ARE stored in the system. Both calcium and magnesium are stored by the horse in its bones. I believe it is calcitonin that enables a horse to retrieve calcium from the bones when needed, and since a high calcium diet suppresses calcitonin production it is feeding a high calcium diet on a regular basis that is indicated as a cause of "thumps." Not so much a lack of stored calcium but rather an inability to mobilize it from stores as needed. I have not been able to find much information at all about if/how/under what circumstances horses are able to store and/or retrieve magnesium in the bones, but I do know that they can. Personally, I wish I could find out more about magnesium, so if anybody knows anything about it, please let me know. kat Orange County, Calif. p.s. With respect to electrolytes for endurance horses. I have had way more success in providing them by giving the horse food stuffs that have electrolytes in them, than in shoving them down the horse's throat. As a runner, I have found this to be more effective for myself to. I don't do "sports drinks" I eat potato chips and/or baked potatoes. I used to eat bananas for their potassium content until I found out that potatoes have just as much potassium in them as bananas and I MUCH prefer the taste and texture of potatoes. When I did the 75 mile Ride & Tie, it was baked potatoes that saved me at the 65 mile vet check. Not just because of their electrolyte content and their carbohydrate content (both of which were important and I was trying to give myself along the trail with sports drink and dried fruit with no success) but because of the "bulk." I needed to FILL my gut. If I had taken the time to eat one of those potatoes at the 50 mile check, then the last five miles into the 65 mile check probably wouldn't have been so hard. From my own experience both with myself and with my horses, when it comes to providing the essential nutrients (of which electrolytes are just a fraction) for maintaining exercise over extended periods of time, the most effective way to provide these is with food. And if I and/or my horse doesn't feel like eating, I need to take a break until we do. Little supplements of nutrient rich "concentrates" (e.g. electrolyte drenches/sports drinks, Gu/Carbo-Charge) can help to stimulate appetitite for the foods that contain enough of what we really need, but that in and of themselves are not enough. -------------------------------------------------------------------- mail2web - Check your email from the web at http://mail2web.com/ . =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Ridecamp is a service of Endurance Net, http://www.endurance.net. Information, Policy, Disclaimer: http://www.endurance.net/Ridecamp Subscribe/Unsubscribe http://www.endurance.net/ridecamp/logon.asp Ride Long and Ride Safe!! =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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