I've got a five year old quarter horse, pretty hardy little guy. He is a pleasure horse, light work.
I read on a website that horses need:
Now, most pre-done feeds I have seen only contain biotin out of this list.. (and selenium, vitamins A, E, and D3, Copper, zinc, calcium, and phosphorus outside the list)
Should I worry about supplying these vitamins in a supplement?
If so, what are some good common ones?
BTW- I live in southern texas. We have little grass right now