Originally Posted by Wingnut
The comparison still works.
Not really. Only in placental mammals is ovulating tied to bleeding clotty, chunky, bloody flux. Invoking the idea of a "period" when talking about a chicken doesn't really make sense. "Eating the hen's period" gives an idea of eating a clotty soup of menstrual blood and other bodily fluid, which is untrue and simply doesn't have any meaning for birds. Chickens do not have periods.