Can someone please tell me, I saw this on other threads that in the cold temps you can feed chickens animal meat/fat?? Is this true? I've always assumed no scraps except veggies etc. but now I am second guessing myself and wondering if this is ok?? Its FREEZING here in upstate NY and have been giving my girls warm water and scratch grains and corn to increase their body temp and would love to do anything else for them I can during this miserable weather..... thanks so much in advance!!!!