Sheep were Frequently: Given As Tribute
Source: TTT
2 Kings 3:4
Now Mesha king of Moab was a sheep breeder, and he would render to the king of Israel a hundred thousand lambs and the wool of a hundred thousand rams.
2 Chronicles 17:11
Some Philistines also brought gifts and silver as tribute to Jehoshaphat, and the Arabs brought him 7,700 rams and 7,700 goats from their flocks.