Long story short: Stupidly, I thought eggshell served as grit. I was feeding a finely ground feed up to about a month ago when I switched to an organic blend, much more rough and grainy. My 6 chickens have been acting really hungry lately, I've been going through this new feed at twice the rate and the dog has been eating the turds, I'm guessing because it's full of chicken feed. He never did that before. Today, our favorite chicken, Nugget, was found dead by my daughter. Nothing wrong, no crop impaction, no egg stuck. My husband says she's really skinny. I look at the rest, THEY are noticeably skinnier, too. I think the lack of grit has made this larger feed hard for them to get any nutrition out of and they've been basically starved by my ignorance. I could cry. Now, however, we are getting grit but I have 5 chickens that are in serious need of fast calories. I gave them some feed that I whizzed in the blender along with some blended up liver and some organic coconut oil. We have a light on in the coop to help them stay warm... what else can I do?? I'm so sorry, I really love those birds. Any help would be appreciated.