How much magnesium? - Page 4

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How much magnesium?

This is a discussion on How much magnesium? within the Horse Nutrition forums, part of the Horse Health category

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    04-04-2013, 06:29 PM
One thing to consider is that it's not just a matter of supplying enough magnesium; it's also about supplying it in balance with other nutrients.

Ca:P (Calcium:Phosphorus) ratio should be between 2:1 and 1.2:1
Ca:Mg (Calcium:Magnesium) ratio should be 2:1
Cu:Fe (Copper:Iron) ratio should be 1:4
Cu:Zn:Mn (Copper:Zinc:Manganese) ratio should be between 1:3:3 to 1:5:5
Natural Horse Health - Information on keeping your horse healthy using natural methods
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    04-04-2013, 09:31 PM
Thanks Desert. How often do you have to bathe? She would definitely like a sponge bath, who wouldn't?

What about the product in Valley Vet Supply called Command Metabol-East. It contains 5000mg of Mag. I think a horse needs 10,000 per day?
    04-04-2013, 09:34 PM
Originally Posted by deserthorsewoman    
Intradermal means through the skin. The powder, or flakes, are dissolved in warm water and the horse gets a sponge bath. Especially back, neck and croup, where the large muscles are. Let dry for 20 minutes, then either hose or wipe of eventual crusty leftovers. Can also be sprayed on from what I read on the magnesium4horses site.
Large muscles =Snickers
Why can't I find it? Do you have a link? You mean Snickers is not average
    04-04-2013, 09:39 PM
Oh found it....

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    04-04-2013, 09:58 PM
Green Broke
Verona - I am going to renew my feedxl membership and see how it all comes out. She gets a lot of alfalfa which is high in calcium so perhaps now the balance is off.

Oldhorselady - That supplement you give one scoop per 500lb of body weight. So you will be giving about 20,000mg it looks like, I'm assuming snickers is about 2000lbs, if he's more then you need to give more. I'm not to sure on the rest of it but again it has that chelate stuff and I'm not sure what that is and how it is absorbed.
    04-04-2013, 10:01 PM
Honestly I think this is a question of getting blood taken and consulting with a vet. Mag is not something to be played around with in a trial and error way. Horses can and do die from Mag.
    04-04-2013, 10:06 PM
Green Broke
Less than 1% of the body's magnesium is stored in the blood so it seems a blood test would be pretty useless. And the biggest risk is if the horse has impaired kidney function. I know this isn't true with my Lizzy as she had numerous blood tests run last year to get her healthy and the vet was just out a few weeks ago for spring shots, teeth and to look her over and how she was doing.
    04-04-2013, 10:09 PM
Originally Posted by poppy1356    
Less than 1% of the body's magnesium is stored in the blood so it seems a blood test would be pretty useless.

Could well be, as I have heard of horses dying from possible Mag overdose that could not be proven.

Still I would consult a vet over a horse internet board.
    04-04-2013, 10:27 PM
Green Broke
Originally Posted by AlexS    
Could well be, as I have heard of horses dying from possible Mag overdose that could not be proven.

Still I would consult a vet over a horse internet board.
Oh I understand. I'm not one to not call my vet. Last year I was calling almost weekly. The more I read about the more it all comes together. I won't be giving the full amount though, Lizzy tapes under 900lbs and since this behavior is recent I don't think she would be as deficient as someone who has been for years. I watch her like a hawk and an overdose would start affecting her kidney first which would affect her urine output. She is stalled for about 18 hours a day and I am the only one that cleans her stall so I know what her normal amount of pee is. I also know how much water she drinks while in her stall. There is another vet coming out to the barn in the next week or two and she will answer questions even though she won't be seeing my horse so I will ask her. I already plan on having her show me how to properly wrap legs in case I ever need to. And we are starting a list of other things to ask her.
    04-04-2013, 10:36 PM
An overdose would not affect her kidneys first. She would have loose stools, a sign to cut her dose in half for maintenance.
Giving Lizzie magnesium to balance her nerves, so to speak, is a temporary thing. Once you see results, consult FeedXL for a better balanced vit/min supplement, since Vita Plus is low mg, and you're feeding alfalfa.

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