Pets are great when it comes down to many situations from scavaging to fighting! And if you're hungry as heck then you can barbecue them!
"Dogs are man's best friends and they are loyal till the end!" Health: in battle situation is 50. Attack damage: in battle situation is around 1.5 Tips use dogs as you pack animals if your carrying too much
Cats "A cute cat, anxious to show its claws in battle." Health: in battle situation is 25. Attack damage: in battle situation is around 3 Tips only good as bodyguards, not much use and can't find items unlike dog and mice
"Mice may not be able to fight off Zombies for you, but they sure can find lots of items (and also eat lots of food)." Mice automatically return to the hideout when everyone leaves. Any food, water (including condensate) or alcohol will bring their respective status bars (hunger, thirst, alcohol) to 100.