Scratch is not a feed..it is a junk treat. Corn doesn't produce any more body heat than eating a balanced crumble or pelleted feed does.extract: ... "Cracked or rolled corn is a common ingredient in scratch feed. Corn is high in carbohydrates, which helps birds generate energy to stay warm. " //end
Kalmbach Henhouse Reserve: https://www.chewy.com/kalmbach-feed...gHN1XL63x1DyYANXIec4_iAaNWDM7I2waAjgyEALw_wcB
Feeding a whole grain type feed can cause issues like you are seeing. The birds can pick and choose which seeds/grains they want to eat and end up not getting a balanced diet.
I would try to get some balanced nutrition in to her asap.