I thought about that, and I will be checking their vents later, but the bloody eggs were found in multiple locations. It is definitely possible though.
At the moment, it is just one waterer, but I will be putting another one in there soon. And I've had chickens for many years, and this was a one time thing with it running out (I know how dangerous it is for them to go without water). I can definitely check their vents, but I somehow don't think...
I just collected some eggs, and I found about seven that have blood on the shell. I haven't collected in two-three days, and I know that these eggs are from at least four different hens. I have had the occasional bloody egg, but never from multiple hens at once. I am a little worried because I...