And around and around and around the discussion goes. A calorie is a calorie is a calorie: [COLOR=0000FF] Definition of a calorie: The amount of heat needed to raise the temperature of 1,000 grams of water by one degree Celsius. This unit is used as a measure of the energy released by [COLOR=222222]food[/COLOR] as it is digested by the human body.[/COLOR] [COLOR=FF0000] [/COLOR][COLOR=222222]I would suggest that if your base food has extra protein in it, feeding some scratch is fine. But, if it does not have extra protein, avoid the scratch or corn b/c that will bring their total protein down even further. As for corn "heating the body" or any other such idea, I did a google search and found no supporting evidence when this topic came up several weeks ago. In my personal experience, when I have a big meal on board, my extremities tend to get cold. Any one else have that experience? Yes, birds need more calories in the winter to generate that heat. Yes, it makes sense to feed them before going to perch... maybe. Do their extremities get cold after a big meal??? My suggestion: Take care of your bird's over all nutrition. No one food is going to be a magic bullet to keep them warm. A calorie is a calorie. But, if they take in more calories than they need, it will be stored as fat, which can result in future laying problems. And, no, I do not limit my bird's feed in the winter. [/COLOR]