Since the temps are going to be 60+, and they're able to get to the coop/shelter, I would. They may be dumb yet and get a little wet before they figure out they should run for cover, but it's not cold so they'd huddle up and dry off.
The three-week-old ones worry me though unless they've been...
Whatever it is, it's not all of your hens obviously, so if possible, you could mark each hens eggs differently. That is tough to do I'm sure, but if you could at least get a few of each marked, that should be enough to tell you, and you can go from there. I do not know of anything a hen could...
Hiya again, and welcome to BYC!! :frow
I have the best luck by posting my chicks in the poultry groups I belong to on Facebook. I'm in about 5 for my state/area.
Yup, sure looks and sounds like it is. I'd give her a bath a couple of times a day and put some Monistat creme or equivalent all around her butt end. Feeding her probiotics will help too, like sugar-free Greek yogurt, or those powders for their water.
Since you're saying that every single thing you are doing is exactly the same as in the past, then the only thing left to take a look at is who is giving you the eggs.
How many roosters could be fertilizing them?
Do you have older hens or brand new hens? I'd change it up a little bit with...
You can use Tums and crush it but I'd mix it in a little bit of yogurt or small amount of mash. You need to make sure she eats the whole thing. If you get the Calcium supplement, that's best to give to her whole and see @LaFleche's post for how we do that.