“However, if the grid is down for a long time (apocalyptic), hunting and fishing will likely provide most meats.”
For the very few in the backcountry, yes. But for the others, don’t bet on it. Visualize being a rabbit or deer within 20 miles of Denver, St. Louis, or Philly. It’d be roughly akin to being a Marine on the Tarawa beachhead.
Millions of rats and pigeons in cities waiting to be trapped. Eat up.
“Visualize being a rabbit or deer”
Big game will be virtually extinct within a few months if there is a breakdown. There will be a very efficient bush meat market for that period of time.