As the event prolonged, I’d look to hunting/fishing as a fairly important source of food.

Fishing probably offers the best bang for the buck wrt calories expended vs potential intake. Its pretty easy to throw out a couple of lines and catch enough food for a meal.

Hunting small game would be feasible and having a trained dog increases your potential for success almost exponentially. Hence I would have some major issues with someone viewing my dog as their next meal.

Hunting large game is feasible but you may run into some problems keeping the meat good for a sufficient duration.