1 Kings 4:28

Barley also and straw for the horses and dromedaries brought they unto the place where the officers were, every man according to his charge.

The barley and straw brought in for horses and dromedaries were delivered to the place where the officers were, every man acting according to his charge. The regularity and distribution of these deliveries show the large scale of the horse establishment maintained under Solomon. That system of supply sustained an accumulation of horses and military equipment. Such multiplying of horses was in disregard of God's command that Israel's king should not multiply horses to himself.