BOSS stands for Black Oil Sunflower Seed, the smaller type with black shells, not the larger grey&white striped hulls. It is frequently sold for feeding wild songbirds.
Chickens usually eat it whole; hull and all. Some do break them open.
Usually when folks mix dog or cat food with feed and/ or seed, it is dry food. (My ducks and chickens try to sneak into the house to eat out of my dogs' dishes, they like it so much. Too high in protein, fats and salt for regular feeding to poultry, but it's a good way to bump up protein in the short term.)
I don't know what sweet feed is, though.
Chickens usually eat it whole; hull and all. Some do break them open.
Usually when folks mix dog or cat food with feed and/ or seed, it is dry food. (My ducks and chickens try to sneak into the house to eat out of my dogs' dishes, they like it so much. Too high in protein, fats and salt for regular feeding to poultry, but it's a good way to bump up protein in the short term.)
I don't know what sweet feed is, though.
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