They can take a yoke (4)
I believe the answer is:
oxen
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">they can take a yoke</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 oxen that I've seen before include "Doctored bulls" , "Large bovine animals" , "Neat types" , "Bovine creatures" , "Heavy cattle" .)