Re: RC: RE: Selenium problem

[Teddy Lancaster <teddy@runningbear.com>]

Sulfur will also inhibit the absorption of selenium.... a BIG problem in Kentucky where
sulfur is abundant.... (smell the water).

teddy

"Charles M. & Kathy Copeland" wrote:

> Hi Julie,
>         I recommended that you have your hay tested.  I have since read other post
> and now know that you know your area is low in SE and any hay or grass
> coming from this area would also be very low in Se. Remember that the
> recommended levels from the companies making the Se supplements are based on
> the understanding that horses are getting normal amounts of Se in their
> daily hay ration.  There is a thin line from which Se is beneficial to where
> Se is toxic so their recommendation will be conservative.
>         I discussed this with my husband, who by the way is a vet, and here are a
> few things you might want to consider.  First, studies have show that
> calcium, arsenic, cobalt and sulfur may decrease the absorption of Se by 50
> percent. Calcium and sulfur could be in the water in your area in large
> amounts.  You might want to consider getting your water tested for these.
> Also Beet Pulp has no SE or Vit E  and contains a fair amount of sulfur.
>         Second, Se in absorbed in the duodenum.  With the large amounts of corn oil
> that you are feeding, the Se could be getting moved past the duodenum too
> quickly to be absorbed.  You might want to loose the oil and feed rice bran
> which is also high in fat (and I take it this is why you are feeding such
> large amounts of corn oil) and does not move through the digestive system so
> quickly since it has to be broken down more.  Rice bran is also a good
> source of Vit E and Se.  Vit E requirements are increased in animals being
> feed diets high in vegetable oils due to the use of Vit E in the oxidation
> of fats.
>         We live in Ca and my husband has found that horses on the West Coast
> (having moved here from the East Coast) seem to run a slightly lower PVC.
> So 34 was not a concern.  Also remember, blood Se levels are only an
> indicator not an absolute.
>         As for giving Se injections, it is only a quick boost and you always run
> the risk of an abscess or local reaction with an injection.  You are better
> off to fix your nutritional problem and let them get their necessary
> nutrients thru a good feeding program rather than a syringe.    Hope this
> helps you out.
> Kath
>
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--
Teddy Lancaster
American Endurance Ride Conference # 139422
- Member since 1974
6000+ career miles

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