What is buck oats? naked oats?

We got talking of oats and this one fella mentioned he had good luck with buck oats. He says the seed does not fall off like normal oats. Anyone got a lead on this oat? I am stumped!

PS -

My food plot mix / acres is from UF is as follows:

Best Buy for your Buck- #1
50 lbs (2 bu) oats 50 lbs (1 bu) wheat or triticale
6 lbs red clover 14 lbs crimson clover

Best Buy for your Buck - #2
50 lbs (2 bu) oats
15 lbs crimson clover
16 lbs ryegrass (may reseed)
6 lbs red clover

Double Treat (for well-drained sites)
10 lbs red clover
15 lbs crimson clover
Triple Treat (for wet or poorly drained sites)
4 lbs white clover
12 lbs red clover
4 lbs arrowleaf clover

Tetra Treat (for medium-drained to wet sites)
14 lbs crimson clover
6 lbs red clover
4 lbs arrowleaf clover
2 lbs white clover