In moving to 14-0 for the season, the Demons controlled the vast majority of the clash with the Bears, but blew the score out late in the contest with a 12-2 blitz in the final quarter.
Brylee Ash, Alice Clurey and Charlotte Keady were best for United, while Maya Hampshire, Olivia Archer and Kelis Saunders battled hard for the Bears.
Shepparton is sixth on the ladder, but with a three-game gap to sixth remains a near-lock for finals.
●Second-ranked Echuca also remains in great form, taking care of Tatura by 24 goals.
The teams were tied at quarter-time, but the Murray Bombers blew the game open in the middle two quarters, winning each by 10 goals to control the game.
Jackie Green, Asha Gray and Maeve Johnson stood out for the Murray Bombers, who have lost just once for the season.
●Mansfield won a thrilling contest with Euroa by two goals in one of the games of the season.
The Eagles were in front by six goals at three-quarter time, but the Magpies charged home, getting within two goals before falling short.
Katy Frewen, Caitlin Seeber and Sienna Trotter were the best Magpies, while Tyla Ciarma, Charlotte Howie and Meg Mahoney were the pick of the victorious Eagles.
●Seymour came up with a professional 19-goal win against Benalla, made possible by a brilliant 16-3 opening quarter.
Chloe Locke, Layne Lewis and Olivia Barry looked great for the Lions, while Phoebe Howard, Hannah McIntosh and Holly Morrison were best for the Saints.
●Rochester won a thriller against Kyabram 41-36 on Sunday, while the Shepparton Swans were too good for Mooroopna, 49-40.