I feed the same mix all yr versa laga pro racing breading and add barley to suite, l dont race but birds seam healthy and happy though , my only oponion is keep them on a similiar diet dont chopvand change all the time as it upsetts them do you your re search and stick with what you think sounds right keep the birds in a routine not just with the flying but eith feed times , its no good letting them out at 6vbecause your late home when its nornally feeds time at 6ish l have found the birds dont want tl fly because it is feed time.lm afraid different peoplecfeed dkfferent and you willvget allot of different answers , l rember a fancier who kept his birds on open hole and let them find there own food and wons hisfair shair at club level .what dver you do hope it works for you atb mark lycett