The place where I buy my pellets ran out and I was forced to get pellets from another source. The new food had a "molasses" type of strong odor and the pellets were much darker in color. My chickens did not eat it that well. I would suggest that the biggest reason your chickens are having...
I've tried keeping turkeys like chickens. They don't like it! Turkeys like the great outdoors. The building that they prefer to use on my property is more of a lean-to open front shelter with perches for them to get off the ground at night. One word of warning...perches should not be more...
Last year I hatched out several dozen White Hollands, Midget Whites, and Beltsville Small Whites obtained from other breeders that claim to keep birds seperated. I know that there is a substantial size difference between the White Hollands and the other two breeds...that's the easy one...