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Hello Heidi,

My horse tested at 0.29ppm serum Se.
Is that 290ppb and isn't that a little high?


At 01:29 PM 6/11/2008 Wednesday, you wrote:
> > Hay tested at 0.35ppm Se so 15lbs has 2.4mg Se per day.
> > Feb 15, 2008 I started my endurance horse, Datezz, on 10g of Selenium
> > Yeast (2000mcg of Se per gram of yeast x 10 = 20mg Se) per day for 14
> > days plus 4000IU Vit.E per day.
> > Feb 29 blood test showed serum Se at 0.14ppm did not test Vit.E.
> > Feb 29 reduced Se yeast to 6g (12mg Se) per day plus 4000IU Vit.E 
> for 90 days.
> > June 2 blood test showed serum Se at 0.29ppm and Vit.E at 4.7ppm.
> >
> > Datezz's attitude and energy have improved a lot in the 90 days. My
> > questions are what would be a good level of Se and Vit.E to maintain
> > and howmuch of the supplements do I need to continue to feed to keep
> > those levels?
>
>
> Try to maintain a diet containing at least 8-10 mg of Se per 
> day.  (On a diet with adequate quality forage, the E should take 
> care of itself.)
>
> Given the Se deficiency in your hay, I would not drop the Se yeast 
> below about 4g (given the figures for the Se it contains that you've 
> given above).  That would have you supplementing 8 mg of actual 
> selenium, which is most of the daily requirement--but that is often 
> the case, when dealing with deficient forages.
>
> Heidi

Don Huston
donhuston @ cox.net
SanDiego, Calif  



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