this is what another poster said that has more experience than I do:
Hopefully she will eventually give up and come out on her own. Since she's already been setting around 3 weeks, I wouldn't try to add fertile eggs at this point. Broodiness is a bit hard on them, they lose weight and muscle tone. The ideal solution would be to slip a few chicks from the feed store under her. She'd think her eggs hatched, and get up and start mothering, almost always, I think. It's certainly worked for me. Might be a bit difficult since she went under further, though. I wonder if she would be drawn out by a few chicks placed where you can reach and she can hear them. Or a favorite treat and then the chicks. They don't necessarily give up just because it's been 21 days. I would probably be out buying chicks.
An assortment of large fowl chickens ranging in age from about 3 years to chicks hatched in 2011 by a broody, and the dogs and cat who run with them.
the parts about the broodiness being hard on them, is a good point.
Hopefully she will eventually give up and come out on her own. Since she's already been setting around 3 weeks, I wouldn't try to add fertile eggs at this point. Broodiness is a bit hard on them, they lose weight and muscle tone. The ideal solution would be to slip a few chicks from the feed store under her. She'd think her eggs hatched, and get up and start mothering, almost always, I think. It's certainly worked for me. Might be a bit difficult since she went under further, though. I wonder if she would be drawn out by a few chicks placed where you can reach and she can hear them. Or a favorite treat and then the chicks. They don't necessarily give up just because it's been 21 days. I would probably be out buying chicks.
An assortment of large fowl chickens ranging in age from about 3 years to chicks hatched in 2011 by a broody, and the dogs and cat who run with them.
the parts about the broodiness being hard on them, is a good point.