Numbers 18:17
But you are not allowed to redeem the firstborn of an ox, a sheep, or a goat because they are holy. You shall sprinkle their blood on the altar, and burn their fat as a burnt offering accepted by the Lord.But you are not allowed to redeem the firstborn of an ox, a sheep, or a goat because they are holy. You shall sprinkle their blood on the altar, and burn their fat as a burnt offering accepted by the Lord.