i also feed 50 50 moulting mix and barley once then moult is about finished i will go as much as 75% barley to get the weight right for pairing.but never 100%.
only the judges to blame for him being there they put him through to start with .the shows one big JOKE NOW.they did the same with them two wallies last year.
I use it all year round [brill].but be careful the more you put in the more they will eat,then the more they will drink,and you end up with loose droppings. 2 or 3 times a week is enough.