Yes, they don't even need to eat it, just from decomposing versus growing corn you can measure the rising and falling cycles of co2 at different times of the ye

Yes, they don't even need to eat it, just from decomposing versus growing corn you can measure the rising and falling cycles of co2 at different times of the year for north america. I think Azolla is still less effort to grow than most plants, which might still help out if it ends up being used for animal feed.