Natural behavior characterized by squatting, ruffling and wing movements that stir dust to the skin; protects birds from ectoparasites.
Eggs with severely damaged shells and ruptured shell membranes.
More intensely colored yolk material in concentric layers; intensity depends on ...
A chick from hatch until 24 hours after removal from the hatcher.
Cardboard (or plastic crate) adapted for transporting day-old chicks of all poul...
Embryos in which no signs of life are present; causes vary, most often improper ...
Removal of part of the beak in young birds to prevent cannibalism; permitted up ...