Numbers Chapter 18, Verse 17

17: But the firstling of a cow, or the firstling of a sheep, or the firstling of a goat, thou shalt not redeem; they are holy: thou shalt sprinkle their blood upon the altar, and shalt burn their fat for an offering made by fire, for a sweet savour unto the LORD.- edit KJV text
17: 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.— edit Douay text
17: But thou shalt not redeem the first-born of calves and the first-born of sheep and the first-born of goats; they are holy: ad thou shalt pour their blood upon the altar, and thou shalt offer the fat as a burnt-offering for a smell of sweet savour to the Lord.— edit LXX text