@Simkie, I started thinking about alfalfa pellets. We use Standlee products, I attached a screen shot from Mad Barn of Standlee alfalfa pellets. I don’t know how to really interpret this. I’ve only started using pellets in the last couple of years, so I think it’s irrelevant, but I’m not sure.
I don’t trust MadBarn’s database of feeds/feedstuffs, having seen too many differences compared to the product’s real website
4 Likes
@JB, I remember you said that. I probably should have added that caveat. Thank you for restating it here.
So even if this is correct, which it might not be, it looks like you’re feeding in the range of 2 mg of selenium per day?
That is soooooooooo typical. Many, many, many commercial feeds provide about that at labeled feeding rates. What is here is not an untoward amount of selenium and definitely shouldn’t cause a high blood level in an “inadequate” forage selenium area.
But I would also loooooove to send my alfalfa pellets in for a test! So I feel you!
1 Like
Oh do post if you do! I may send in mine (I use Semican) this fall 
1 Like
This is also probably (in my opinion) why we see such widely variable blood selenium and vitamin E levels in horses eating identical diets. The higher the antioxidant demand in the body, the more selenium and vitamin E get “used up” for that purpose. Workload, immune challenges, injuries/inflammation, etc. all come into play here.
5 Likes
