Numbers 18:17
"But you shall not redeem the firstborn of a cow, or the firstborn of a sheep, or the firstborn of a goat. They are holy. You shall sprinkle their blood on the altar, and shall burn their fat for an offering made by fire, for a pleasant aroma to Yahweh.
Exodus 29:16
You shall kill the ram, and you shall take its blood, and sprinkle it around on the altar.
Leviticus 3:2-5
He shall lay his hand on the head of his offering, and kill it at the door of the Tent of Meeting: and Aaron's sons, the priests shall sprinkle the blood around on the altar.
Deuteronomy 15:19-22
All the firstborn males that are born of your herd and of your flock you shall sanctify to Yahweh your God: you shall do no work with the firstborn of your herd, nor shear the firstborn of your flock.