What makes a survival garden different from an ordinary garden? The aim of survival gardening is to grow staple foods, not salad fixings, not flowers, not herbs. Basically, you will want to grow crops that offer substantial amounts of any or all of the three macronutrients: protein, fat, carbohydrate.
Our chickens in their DIY chicken tunnel. We live in a residential area, so to keep the chickens protected from hawks, dogs and other predators (and to keep them out of our neighbor's yard) we hook up their portable play-pen to the run and let them range.