Kapparot is a cruel and sadistic animal sacrifice ritual in which the "sins" and misdeeds of a jew are symbolically transferred to a fowl. It is practiced on the eve of Yom Kippur.
During the vile and vicious ritual, selections of semitic scripture from Isaiah 11:9, Psalms 107:10, 14, and 17-21, and Job 33:23-24 are muttered in Hebrew while a live rooster (for a male) or a hen (for a female) is held above the jew's head and swung in a circle three times and the jew exclaims: "This is my exchange, my substitute, my atonement; this rooster (or hen) shall go to its death, but I shall go to a good, long life, and to peace." The jew then brutally slaughters the chicken, under the belief that the fowl will take on any misfortune that might otherwise occur to the jew who has taken part in the ritual, in punishment for his or her "sins".
Oh, yeah... PETA is pissed.