Promoted (4)
(Other definitions for bred that I've seen before include "did produce issue" , "Engendered" , "Multiplied" , "Brought forth" , "(Well) brought up" .)
'promoted' is the definition.
This is the entire clue.
(Other definitions for sold that I've seen before include "Marketed" , "Handed over for money" , "Vended" , "Exchanged for money" , "Traded" .)