i use
1 part barley, 1 part wheat ,1 part chicken pellets, 1 part beans
as i put it in me drum i add the ad herb to it as this last 5 months on the corn and works out very cheap as you hardly use any
this works out £24 so £6 a bag,, to the above i add rape one day, linseed another and hormoform another ,
my birds are moulting better than when i used to buy the best moulting mix's