Port Adelaide will be without three key players for its all important clash with North Melbourne on Saturday afternoon.
Ebert suffered a bruised lung after a heavy fall in a marking contest during the Power’s loss to Hawthorn in Round 16.
“Brad won’t play, which is a disappointing thing, but player welfare and safety first is the most important thing for us,” Port Adelaide coach Ken Hinkley told RSN Radio.
“He trained (this week), but he got a really severe knock to his ribs and some bruising (on his lung).
“It’s not an area we’re going to risk, and Brad’s pushed hard to play because he hasn’t missed a game in his time at Port Adelaide. He’ll be a significant out for us.”
Meanwhile, Jonas will miss the match after suffering a hamstring injury at training on Wednesday, while Krakouer will miss the match to attend a family funeral.