Feed bag item (3)
I believe the answer is:
oat
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">feed bag item</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for oat that I've seen before include "Food grain" , "Cereal (singular)" , "Basis of porridge" , "Cereal plant" , "Cereal grass" .)