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RE: [RC] Magnesium requirements - Kitley, Carrie E Civ USAF AFSPC 30 MDSS/SGSLFRighto! That's basically what I was trying to explain w/o all the detail. That was a great post, Naomi. And as is always said, all horses have different needs. I don't give my horse Mag all the time, only when under stress situations, competitions, etc. She's not a great eater during e-rides, so I usually start the Mag supplements about a week before a ride, and continue until a few days after. She thinks she's a camel. :) Carrie Kitley 30th Medical Group, Vandenberg AFB DMLSS?Database Sustainment Specialist (DSS) CACI?International Inc? www.caci.com dsn?276-1077, Comm (805) 606-1077 fax dsn?276-1179 <\_~ // \\ carrie.kitley@xxxxxxxxxxxxxxxxx? -----Original Message----- From: ridecamp-owner@xxxxxxxxxxxxxxxxx [mailto:ridecamp-owner@xxxxxxxxxxxxxxxxx] On Behalf Of Naomi Preston Sent: Wednesday, June 11, 2008 7:49 AM To: ridecamp@xxxxxxxxxxxxx Subject: [RC] Magnesium requirements Magnesium requirements for the horse increase based on their exercise level. The NRC guidelines show the following requirements for magnesium: maintenance .105g/kg of bodyweight light exercise .019 moderate exercise .023 heavy exercise .03 Translation: A 1000 lb. horse weighs 455 kg (1 kg = 2.2 lbs.). A 1000 lb horse at heavy exercise would require 13.7 grams of magnesium per day. The average grass pasture & grass hay analyzed last year by Dairy One labs had approximately 0.9 grams of magnesium/lb. of hay or pasture. So if you're feeding 20 lbs of hay per day, your horse would be getting 18 grams of magnesium, or 31% more than the NRC guidelines for a horse getting heavy exercise. According to the Dynamite website, the Easy Boy product contains 1.3 grams of magnesium per oz. They recommend 1-2 oz. per day. My personal opinion, if your horse is eating lots of hay/pasture, it doesn't appear that they'd need extra magnesium. However, under extremely heavy exercise, like an endurance competition, their requirements for magnesium increase, and if they're not great eaters, they could possibly need some additional magnesium. An analysis of your hay or pasture is a good idea before you start adding supplements, and you can find out how to do this from your local Extension office. Naomi Preston www.TTeamforendurance.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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