Numbers 18:17

New King James Version

But the firstborn of a cow, the firstborn of a sheep, or the firstborn of a goat you shall not redeem; they are holy. You shall sprinkle their blood on the altar, and burn their fat as an offering made by fire for a sweet aroma to the Lord.

Cross References

Exodus 29:16

and you shall kill the ram, and you shall take its blood and sprinkle it all around on the altar.

Leviticus 17:6

And the priest shall sprinkle the blood on the altar of the Lord at the door of the tabernacle of meeting, and burn the fat for a sweet aroma to the Lord.

Numbers 18:16

And those redeemed of the devoted things you shall redeem when one month old, according to your valuation, for five shekels of silver, according to the shekel of the sanctuary, which is twenty gerahs.