Numbers 18:17

Only a firstling ox or a firstling sheep or a firstling goat, shalt thou not redeem, hallowed, they are, - their blood, shalt thou dash against the altar and of their fat, shalt thou make a perfume, an altar-flame, for a satisfying odour unto Yahweh:

Exodus 29:16

then shalt thou slay the ram, - and take its blood, and dash upon the altar round about;

Leviticus 3:2-5

Then shall he lean his hand upon the head of his oblation, and slay it at the entrance of the tent of meeting, - and the sons of Aaron the priests shall dash the blood against the altar round about,

Deuteronomy 15:19-22

Every firstling that is brought forth in thy herd and in thy flock that is a male, shalt thou hallow unto Yahweh thy God, - thou shalt not work with a firstling of thine oxen, neither shalt thou shear a firstling of thy flock:

Treasury of Scripture Knowledge

Summary

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.

The firstling

Bible References

The firstling

Deuteronomy 15:19
Every firstling that is brought forth in thy herd and in thy flock that is a male, shalt thou hallow unto Yahweh thy God, - thou shalt not work with a firstling of thine oxen, neither shalt thou shear a firstling of thy flock:

Thou shalt

Exodus 29:16
then shalt thou slay the ram, - and take its blood, and dash upon the altar round about;
Leviticus 3:2
Then shall he lean his hand upon the head of his oblation, and slay it at the entrance of the tent of meeting, - and the sons of Aaron the priests shall dash the blood against the altar round about,