'Horses' in the Bible

“I sent a plague among you like [those of] Egypt;I killed your young men with the sword and I captured your horses,I made the stench of your camp rise up into your nostrils;Yet you have not returned to Me [in repentance],” says the Lord.

Do horses run on rocks?Do men plow rocks with oxen? [Of course not!]Yet you have turned justice into poisonAnd the fruit of righteousness into wormwood (bitterness),