The game was tight all day and was a physical contest, with Port Adelaide gaining the ascendancy in the fourth.
Doughty was best for Adelaide with his typical toughness in defence and he provided a glimour of hope late in the game with two goals in a minute.
Adelaide faces Sydney in Round 17 and looking to break a five game losing streak.
Have your say on the Showdown and looking ahead to the Swans clash.
