Now that I started thinking along the lines of cat food...which in a SHTF scenario you would either eat or make it learn to live outdoors, dogs shouldn't roam or they will pack up. So...if you want to be a good neighbour should it come to it, you would have to either turn fido into a stew or find a way to provide for him/her.
[link to permies.com (secure)]

In fact it might be time to repost that whole forums link
[link to permies.com (secure)]
These are people who are actively designing resilience, not just prepping for 'some day'. Plus they are fun though I don't visit there often.