Today I found this poop on the dish in the brooder. In this brooder there are three Australorp chicks 6 weeks old; up to now they have never been outside, too darn hot. They eat commercial pullet feed, choped stinging nettle and little cooked rice. They are all very lively, eat and drink well. Vents are clean. Could this be blood around the poop and in the top part of the picture some clots? and what should I do (forget about any vets for backyardchickens around here), would it be anything bacterial? so give them which antibiotics? I haven't done or administered anything special for the moment and hope to hear from the learned community some suggestions to what this could be and how to treat it. I also can't say for how long this condition already is going on, as the poop in the dish drew my attention, otherwise... Thank you so much for any help!