1 Samuel 15:3

Now go and smite Amalek, and utterly destroy all that they have, and spare them not; but slay both man and woman, infant and suckling, ox and sheep, camel and ass.

Numbers 24:20

And he looked on Amalek, and took up his parable, and said, Amalek was the first of the nations; But his latter end shall come to destruction.

Deuteronomy 20:16-18

But of the cities of these peoples, that Jehovah thy God giveth thee for an inheritance, thou shalt save alive nothing that breatheth;

Leviticus 27:28-29

Notwithstanding, no devoted thing, that a man shall devote unto Jehovah of all that he hath, whether of man or beast, or of the field of his possession, shall be sold or redeemed: every devoted thing is most holy unto Jehovah.

Numbers 31:17

Now therefore kill every male among the little ones, and kill every woman that hath known man by lying with him.

Joshua 6:17-21

And the city shall be devoted, even it and all that is therein, to Jehovah: only Rahab the harlot shall live, she and all that are with her in the house, because she hid the messengers that we sent.

1 Samuel 22:19

And Nob, the city of the priests, smote he with the edge of the sword, both men and women, children and sucklings, and oxen and asses and sheep, with the edge of the sword.

Genesis 3:17-18

And unto Adam he said, Because thou hast hearkened unto the voice of thy wife, and hast eaten of the tree, of which I commanded thee, saying, Thou shalt not eat of it: cursed is the ground for thy sake; in toil shalt thou eat of it all the days of thy life;

Exodus 20:5

Thou shalt not bow down thyself unto them, nor serve them, for I Jehovah thy God am a jealous God, visiting the iniquity of the fathers upon the children, upon the third and upon the fourth generation of them that hate me,

Deuteronomy 13:15-16

thou shalt surely smite the inhabitants of that city with the edge of the sword, destroying it utterly, and all that is therein and the cattle thereof, with the edge of the sword.

Isaiah 14:21-22

Prepare ye slaughter for his children for the iniquity of their fathers, that they rise not up, and possess the earth, and fill the face of the world with cities.

Romans 8:20-22

For the creation was subjected to vanity, not of its own will, but by reason of him who subjected it, in hope

Treasury of Scripture Knowledge

Summary

Now go and smite Amalek, and utterly destroy all that they have, and spare them not; but slay both man and woman, infant and suckling, ox and sheep, camel and ass.

Ox and sheep

Bible References

Utterly destroy

Leviticus 27:28
Notwithstanding, no devoted thing, that a man shall devote unto Jehovah of all that he hath, whether of man or beast, or of the field of his possession, shall be sold or redeemed: every devoted thing is most holy unto Jehovah.
Numbers 24:20
And he looked on Amalek, and took up his parable, and said, Amalek was the first of the nations; But his latter end shall come to destruction.
Deuteronomy 13:15
thou shalt surely smite the inhabitants of that city with the edge of the sword, destroying it utterly, and all that is therein and the cattle thereof, with the edge of the sword.
Deuteronomy 20:16
But of the cities of these peoples, that Jehovah thy God giveth thee for an inheritance, thou shalt save alive nothing that breatheth;
Joshua 6:17
And the city shall be devoted, even it and all that is therein, to Jehovah: only Rahab the harlot shall live, she and all that are with her in the house, because she hid the messengers that we sent.

Slay

Exodus 20:5
Thou shalt not bow down thyself unto them, nor serve them, for I Jehovah thy God am a jealous God, visiting the iniquity of the fathers upon the children, upon the third and upon the fourth generation of them that hate me,
Numbers 31:17
Now therefore kill every male among the little ones, and kill every woman that hath known man by lying with him.
Isaiah 14:21
Prepare ye slaughter for his children for the iniquity of their fathers, that they rise not up, and possess the earth, and fill the face of the world with cities.

Ox and sheep

Genesis 3:17
And unto Adam he said, Because thou hast hearkened unto the voice of thy wife, and hast eaten of the tree, of which I commanded thee, saying, Thou shalt not eat of it: cursed is the ground for thy sake; in toil shalt thou eat of it all the days of thy life;
Romans 8:20
For the creation was subjected to vanity, not of its own will, but by reason of him who subjected it, in hope

General references

Numbers 31:15
And Moses said unto them, Have ye saved all the women alive?
Psalm 149:7
To execute vengeance upon the nations, And punishments upon the peoples;
Jeremiah 51:22
and with thee will I break in pieces the chariot and him that rideth therein; and with thee will I break in pieces man and woman; and with thee will I break in pieces the old man and the youth; and with thee will I break in pieces the young man and the virgin;

American Standard Version Public Domain