Verses with the word bulls in the Old Testament (7 verses):

Genesis 32:15
Thirty milch camels with their colts, forty kine, and ten bulls, twenty she asses, and ten foals.

Psalms 22:12
Many bulls have compassed me: strong bulls of Bashan have beset me round.

Psalms 50:13
Will I eat the flesh of bulls, or drink the blood of goats?

Psalms 68:30
Rebuke the company of spearmen, the multitude of the bulls, with the calves of the people, till every one submit himself with pieces of silver: scatter thou the people that delight in war.

Isaiah 34:7
And the unicorns shall come down with them, and the bullocks with the bulls; and their land shall be soaked with blood, and their dust made fat with fatness.

Jeremiah 50:11
Because ye were glad, because ye rejoiced, O ye destroyers of mine heritage, because ye are grown fat as the heifer at grass, and bellow as bulls;

Jeremiah 52:20
The two pillars, one sea, and twelve brasen bulls that were under the bases, which king Solomon had made in the house of the LORD: the brass of all these vessels was without weight.