Numbers 18:17
But the firstling of a cow, or the firstling of a sheep, or the firstling of a goat, thou shall not redeem. They are holy. Thou shall sprinkle their blood upon the altar, and shall burn their fat for an offering made by fire, for a
Exodus 29:16
And thou shall slay the ram, and thou shall take its blood, and sprinkle it round about upon the altar.
Leviticus 3:2-5
And he shall lay his hand upon the head of his oblation, and kill it at the door of the tent of meeting. And Aaron's sons the priests shall sprinkle the blood upon the altar round about.
Deuteronomy 15:19-22
All the firstling males that are born of thy herd and of thy flock thou shall sanctify to LORD thy God. Thou shall do no work with the firstling of thy herd, nor shear the firstling of thy flock.