Hummm...that's odd how some chickens can be picky eaters (I've discovered this by reading several posts in this index). My two Barred Rock girls go after these stripes like they're candy to a kid. Makes a great hand feeding snack for my relatives kids. Usually they swallow these very large...
I just harvested about 20 mammoth type sunflowers, dried & seeded...stored away for winter supplement. Can I ask why black oil only? Whats the difference between those and what I have?