Blood of Animals Slain for Good to be Poured on the Earth
Source: TTT
Leviticus 17:13
And if any Israelite or foreigner living among them hunts down a wild animal or bird that may be eaten, he must drain its blood and cover it with dirt.
Deuteronomy 12:16, 24
but you must not eat the blood; pour it on the ground like water. / You must not eat the blood; pour it on the ground like water.