We had to leave a moose overnight one time when we had seen and heard wolves nearby the same day. We did our best to pi$$ around the kill ( two guys aren't dragging a big bull moose) and left for our camp about a half mile away. Late that evening we heard the wolves find the moose, they sure sounded excited and we figured we were done, cut tag and no moose. In the morning we found their tracks all around our guard perimeter but our moose was untouched. We used this system many times after this, never for more than one night, it never failed us. Prior to this we had lost meat to a black bear one time and over half a moose to a grizzly family once. Tried a sweaty T shirt a couple of times when we were dry, it worked too. Like many have said, no guarantees but it's always within your capability and it's worth a shot ( pun intended).