For those who are looking to reduce their dependence on corn and soybean based feeds. There are a number of online sources on alternative chicken feed formulation for small producers.
Lionsgrip has a good introduction and details on alternatives at http://www.lionsgrip.com/intro.html
Energyfarms.net has a list of % of protein by wt. of various food sources such as earthworms 28%, dried peas and beans 24%, and sunflower seed 26%. Interestingly duckweed is listed as 50%. They also have a homegrown recipe mix of Peredovik Sungflowers seeds, Sorghum, Millet, and Ground corn.
