The seven thin, scrawny cows that came up later and the seven thin heads of grain, withered by the east wind, represent seven years of famine.
The seven healthy cows and the seven healthy heads of grain both represent seven years of prosperity.
Then he saw seven more cows come up behind them from the Nile, but these were scrawny and thin. These cows stood beside the fat cows on the riverbank.
So David went up to do what the Lord had commanded him.
Elisha had told the woman whose son he had brought back to life, “Take your family and move to some other place, for the Lord has called for a famine on Israel that will last for seven years.”