Numbers 18:17

New American Bible - revised edition

But the firstborn of cattle, or the firstborn of sheep or the firstborn of goats you shall not redeem; they are holy. Their blood you must splash on the altar and their fat you must burn as an oblation of pleasing aroma to the Lord.

Cross References

Exodus 29:16

slaughter it. The blood you shall take and splash on all the sides of the altar.

Leviticus 17:6

The priest will splash the blood on the altar of the Lord at the entrance of the tent of meeting and burn the fat for an odor pleasing to the Lord.

Numbers 18:16

For the redemption price of a son, when he is a month old, you shall pay the equivalent of five silver shekels according to the sanctuary shekel, that is, twenty gerahs.