The win snapped a two-game losing skid for the Admirals and kept them within striking distance of the final playoff spot in the Central Division, three points back of the Iowa Wild and Chicago Wolves who both have 60 points.
The loss leaves the Moose comfortably in ensconced in first place with 71 points, 8 points ahead of the second place Grand Rapids Griffins.
Trevor Murphy also scored for Milwaukee, who moved to 26-21-4-1.
Brendan Lemieux and Mike Sgarbossa scored for the Moose.
Jamie Phillips turned aside 23 shots for Manitoba, who dropped their 4th straight game.
Frederick Gaudreau got Milwaukee on the board early, 56 seconds into the opening period, taking advantage of a poorly played puck by Moose starting goaltender Jamie Phillips, who kicked a rebound right onto the stick of Gaudreau who was right on top of him at the edge of the crease.
The goal was his 12th of the season.
The Admirals went up 2-0 at 7:15 when Trevor Murphy slid a disc past Phillips with a low blocker side shot after taking a feed from Harry Zolnierczyk.
The goal as his 16th of the season.
Gaudreau got his second of the game at 15:37, pausing briefly after taking a pass from Harry Zolnierczyk before blowing a low shot past Phillips to make it 3-0 Milwaukee.
Brendan Lemieux got Manitoba on the board 6:32 into the second period off of a faceoff win.
Lemieux skated into the puck sitting behind the centre and stepped into a wrister beating Admirals goaltender Anders Lindback high glove side to make it 3-1.
The goal was his 13th of the season and ended a 170 minute goalless drought by the Moose.
Mike Sgarbossa pulled Manitoba to within a goal at 8:27 of the 3rd period, converting a Buddy Robinson pass from behind the Admiral net to make it 3-2.
The goal was his 13th of the season.
SHOTS-MILWAUKEE 26 MANITOBA 32