Deuteronomy 15:19

All the first-born males that come from your herd and from your flock, you shall set apart to Jehovah your God. You shall do no work with the first-born of your bull, nor shear the first-born of your sheep.

Exodus 13:2

Sanctify all the first-born to Me, whatever opens the womb among the sons of Israel, of man and of beast. It is Mine.

Exodus 13:12

you shall set apart to Jehovah every one that opens the womb, and every first-born that comes of any animal which you have; the males shall be Jehovah's.

Leviticus 27:26

However, the first-born of an animal, which should be Jehovah's first-born, no man shall sanctify it, whether an ox, or sheep, it is Jehovah's.

Numbers 18:15

Everything that opens the womb in all flesh, which they bring to Jehovah, of men or animals, shall be yours. Nevertheless, the first-born of man you shall surely redeem, and the first-born of unclean animals you shall redeem.

Numbers 18:17

But the first-born of a cow, or the first-born of a sheep, or the first-born of a goat, you shall not redeem. They are holy. You shall sprinkle their blood upon the altar, and shall burn their fat, an offering made by fire, for a sweet savor to Jehovah.

Deuteronomy 12:17

You may not eat inside your gates the tithe of your grain or of your wine or of your oil, or the first-born of your herds or of your flock, or any of your vows which you vow, or your free-will offerings or the heave offering of your hand.

Deuteronomy 16:14

And you shall rejoice in your feast, you, and your son, and your daughter, and your male slave, and your slave-girl, and the Levite, the stranger, and the fatherless, and the widow inside your gates.

Exodus 34:19

All that opens the womb is Mine; and all your male livestock, a firstling of ox or sheep.

Numbers 3:13

Because all the first-born are Mine. On the day that I struck all the first-born in the land of Egypt I set apart to Myself all the first-born in Israel, both man and animal. They shall be Mine. I am Jehovah.

Deuteronomy 12:5-7

But you shall seek to the place which Jehovah your God shall choose out of all your tribes to put His name there, even to His dwelling place you shall seek, and there you shall come.

Deuteronomy 14:23

And you shall eat before Jehovah your God in the place which He shall choose to place His name there, the tithe of your grain, of your wine, and of your oil, and the first-born of your herds and of your flocks, so that you may learn to fear Jehovah your God always.

Deuteronomy 16:11

And you shall rejoice before Jehovah your God, you, and your son, and your daughter, and your male servant, and your slave girl, and the Levite inside your gates, and the stranger, and the fatherless, and the widow, those among you, in the place which Jehovah your God has chosen to place His name there.

Romans 8:29

For whom He foreknew, He also predestinated to be conformed to the image of His Son, for Him to be the First-born among many brothers.

Hebrews 12:23

to the general assembly and church of the first-born who are written in Heaven, and to God the judge of all, and to the spirits of just men made perfect,

Treasury of Scripture Knowledge

Summary

All the firstling males that come of thy herd and of thy flock thou shalt sanctify unto the LORD thy God: thou shalt do no work with the firstling of thy bullock, nor shear the firstling of thy sheep.

Bible References

The firstling

Exodus 13:2
Sanctify all the first-born to Me, whatever opens the womb among the sons of Israel, of man and of beast. It is Mine.
Exodus 34:19
All that opens the womb is Mine; and all your male livestock, a firstling of ox or sheep.
Leviticus 27:26
However, the first-born of an animal, which should be Jehovah's first-born, no man shall sanctify it, whether an ox, or sheep, it is Jehovah's.
Numbers 3:13
Because all the first-born are Mine. On the day that I struck all the first-born in the land of Egypt I set apart to Myself all the first-born in Israel, both man and animal. They shall be Mine. I am Jehovah.
Numbers 18:17
But the first-born of a cow, or the first-born of a sheep, or the first-born of a goat, you shall not redeem. They are holy. You shall sprinkle their blood upon the altar, and shall burn their fat, an offering made by fire, for a sweet savor to Jehovah.
Romans 8:29
For whom He foreknew, He also predestinated to be conformed to the image of His Son, for Him to be the First-born among many brothers.
Hebrews 12:23
to the general assembly and church of the first-born who are written in Heaven, and to God the judge of all, and to the spirits of just men made perfect,

Thou shalt do

Deuteronomy 12:5
But you shall seek to the place which Jehovah your God shall choose out of all your tribes to put His name there, even to His dwelling place you shall seek, and there you shall come.
Deuteronomy 14:23
And you shall eat before Jehovah your God in the place which He shall choose to place His name there, the tithe of your grain, of your wine, and of your oil, and the first-born of your herds and of your flocks, so that you may learn to fear Jehovah your God always.
Deuteronomy 16:11
And you shall rejoice before Jehovah your God, you, and your son, and your daughter, and your male servant, and your slave girl, and the Levite inside your gates, and the stranger, and the fatherless, and the widow, those among you, in the place which Jehovah your God has chosen to place His name there.
Numbers 18:15
Everything that opens the womb in all flesh, which they bring to Jehovah, of men or animals, shall be yours. Nevertheless, the first-born of man you shall surely redeem, and the first-born of unclean animals you shall redeem.