SQ, if the wound isn't too terribly deep and you are stuch inside for the weekend with the weather, try packing it with the sugar. Luke had that neuter abscess and our vet had said use the sugar. As a last resort to get it to heal now, without getting infected, might work. Of course I'm not sure they would be able to suture it up after adding the sugar, would have to let it go on its own and keep using the sugar.
With Luke, once we started sugar, that was a Tuesday and a week later it was fully healed, closed and looked great.
I hope they heal soon.