Asian oxen (4)
I believe the answer is:
yaks
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">asian oxen</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for yaks that I've seen before include "Rabbits" , "Wild oxen of Tibet" , "Tibetan oxen" , "animals" .)