All the cattle and horses in Egypt died
Exodus 9:3 View context
Behold, the hand of the LORD is upon thy cattle which [is] in the field, upon the horses, upon the asses, upon the camels, upon the oxen, and upon the sheep: [there shall be] a very grievous murrain.
Exodus 9:6 View context
And the LORD did that thing on the morrow, and all the cattle of Egypt died: but of the cattle of the children of Israel died not one.
All the horses of Egypt did not die
Exodus 14:9 View context
But the Egyptians pursued after them, all the horses [and] chariots of Pharaoh, and his horsemen, and his army, and overtook them encamping by the sea, beside Pi-hahiroth, before Baal-zephon.