New Revised Standard Version
But the firstborn of a cow, or the firstborn of a sheep, or the firstborn of a goat, you shall not redeem; they are holy. You shall dash their blood on the altar, and shall turn their fat into smoke as an offering by fire for a pleasing odor to the LORD;

Contemporary English Version
However, all first-born cattle, sheep, and goats belong to me and cannot be bought back. Splatter their blood on the altar and send their fat up in smoke, so I can smell it and be pleased.

New American Bible
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.

Douay-Rheims Bible
But the firstling of a cow, and of a sheep and of a goat thou shalt not cause to be redeemed, because they are sanctified to the Lord. Their blood only thou shalt pour upon the altar, and their fat thou shalt burn for a most sweet odour to the Lord.

But the firstling of a cow, and of a sheep and of a goat thou shalt not cause to be redeemed, because they are sanctified to the Lord. Their blood only thou shalt pour upon the altar, and their fat thou shalt burn for a most sweet odour to the Lord.

the firstling

Deuteronomy 15:19-22 Of the firstlings, that come of thy herds and thy sheep, thou shalt sanctify to the Lord thy God whatsoever is of the male sex. Thou shalt not work with the firstling of a bullock, and thou shalt not shear the firstlings of thy sheep. . . .

thou shall

Exodus 29:16 And when thou hast killed him, thou shalt take of the blood thereof, and pour round about the altar.

Leviticus 3:2-5 And he shall lay his hand upon the head of his victim, which shall be slain in the entry of the tabernacle of the testimony: and the sons of Aaron the priests shall pour the blood round about upon the altar. . . .