Yom Kippur is right around the corner — and tens of thousands of chickens are about to be sacrificed in a highly controversial ritual.

“It’s a carnival of cruelty,” Karen Davis, president of United Poultry Concerns (UPC), told The Dodo.

WARNING: Graphic photos below.

In the practice of kapparot, supplicants swing a live chicken around their heads three times while saying a prayer that translates to: “This is my exchange, this is my substitute, this is my expiation. This chicken shall go to death and I shall proceed to a good, long life and peace.” The chicken is then slaughtered and, traditionally, donated to the poor.

Not many Jews practice kapparot, and an even smaller portion use a live chicken, as a bag of money is an accepted alternative. But the practice has drawn intense scrutiny both from within the Jewish community and without, particularly in places like Brooklyn…