17 But the first-offspring of an ox, or the first-offspring of a sheep, or the first-offspring of a goat, you will not redeem. They are holy. You will sprinkle their blood upon the altar and will burn their fat for an offering made by fire, for a sweet aroma to Jehovah.
Numbers 18:17 Cross References - MLV
Exodus 29:16
16 And you will kill* the ram and you will take its blood and sprinkle it all around upon the altar.
Leviticus 3:2-5
2 And he will lay his hand upon the head of his oblation and kill it at the door of the tent of meeting. And Aaron's sons the priests will sprinkle the blood upon the altar all around.
3 And he will offer of the sacrifice of peace offerings an offering made by fire to Jehovah, he will take away the fat that covers the innards and all the fat that is upon the innards,
4 and the two kidneys and the fat that is on them, which is by the loins and the lobe of the liver, with the kidneys.
5 And Aaron's sons will burn it on the altar upon the burnt offering, which is upon the wood that is on the fire. It is an offering made by fire, of a sweet aroma to Jehovah.
Deuteronomy 15:19-22
19 All the first-offspring males that are born of your herd and of your flock you will sanctify to Jehovah your God. You will do no work with the first-offspring of your herd, nor shear the first-offspring of your flock.
20 You will eat it before Jehovah your God year by year in the place which Jehovah will choose, you and your household. 21 And if it has any blemish, as lame or blind, any ill blemish whatever, you will not sacrifice it to Jehovah your God.
22 You will eat it within your gates. The unclean man and the clean man alike, as the gazelle and as the male-deer.
20 You will eat it before Jehovah your God year by year in the place which Jehovah will choose, you and your household. 21 And if it has any blemish, as lame or blind, any ill blemish whatever, you will not sacrifice it to Jehovah your God.
22 You will eat it within your gates. The unclean man and the clean man alike, as the gazelle and as the male-deer.