Stabilized Rice Bran?

[SFASUshowman]

Top Dressing means that when you add a suplement to the feed you just add it on top of their regular ration in the feed pan. 

 

[SlickTxMaine]

Our calves have always loved the SRB meal, I usually throw it on top, to encourage them to eat.  You could mix it in, don't guess it matters.