I feed a lot of Muesli mixed with grated cheese and chopped up bread twice a day at moment three times when it is realy cold but 25kgs in 2 weeks .
How many birds are you feeding are they Turkeys or Geese that amount in 2 weeks seems a touch excessive.
The Muesli i buy is the supermarket own brand not to dissimilar to the price you are paying .
Surely if you bought larger bags of muesli it would work out cheaper or perhaps you do not frequent supermarkets i am sure you will over come .jacob