Question about Kung Fu Panda movie?

First of all I really enjoyed this movie, even though I am an adult. My question is about the end when Po is holding Tai-Lung's finger and he says something to the effect that he figured it out and then there is this gold colored wind that blows throughout the valley. What was the wind? Did Po make him explode and this wind was Tai-Lung's spirit or something? We know Po defeated Tai-Lung, but doesn't that seem a little rough for a cartoon that he killed him. Just wondering if anyone else that thoughts on this because we don't see Tai-Lung after the gold wind.