Only eat millet?

Hello everyone, I would like some advice from a bird expert. My cockatiels only eat millet, not even fresh fruit or vegetables. I usually give them 1-2 teaspoons of millet every day or two. They aren't tame yet and perhaps don't know that they should also eat vegetables or fruit. Otherwise, they only eat birdseed….

Which grains do you think should hardly be grown?

Climate change makes many things possible, including increasing temperatures, and since in our cold climate with short growing seasons, warmth is the most crucial factor for the growth of plants from all over the world, rice and millet cultivation is no longer a pipe dream, but a theoretical reality that demands and will receive practical…