Endurance.Net Ridecamp Archives

I live on the central CA coast and the hay my horses eat is more than 
likely likely low/deficient in selenium.  I started supplementing my 
horses last March with yeast based se.  Over several months I became 
aware of a positive difference but it was gradual.  Based solely on my 2 
rat experience, I'd be patient and stick with it.  Don't rush to do a 50 
until you're sure he's ready.  There are always other rides.
Good luck!  I hope you're as pleased with the changes your horse shows 
as I am with mine!
Laney
Mike & Kathy Kelly wrote:
> Hi Heidi,
>
> Thought I'd update you on Gabriel's Se results.  His blood serum level 
> was .15, which my vet says is the low end of the normal range.  Susan G 
> recommended if possible I get it up to .25 - .3 ppm.
>
> I have been supplementing 4 mg daily for 3 weeks now (I did get the Se 
> yeast).  Took Gabriel out for a 3 hr moderate training ride last week 
> and he seemed like his old self.  But when I took him out again 
> yesterday he mostly wanted to walk (I let him choose) and his hr was 
> slightly elevated, so I'm guessing I just need to take it slower and 
> give him more time to get the Se levels up.  I plan on having him 
> restested in 4 weeks, and am hoping he'll be ready to take to a 50 then 
> but we'll see.
>
> Does it sound like I'm doing what I should be now that I know his test 
> results?
>
> I posted some info about testing hay and supplementing Se on the SWDRA 
> list, and Barney Fleming DVM said that I should be testing muscle 
> (biopsy) not blood level and that Se deficiency was extremely rare and 
> that I should be concerned about over supplementing if giving any at 
> all.  I'm comfortable that I'm doing that right thing, but I feel like 
> Barney is giving bad information.
>
> Thanks again for your help,
> Kathy Kelly
> Parks AZ
>
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