ZiwiPeak Free-Range Chicken Wet Dog Food starts with 91% premium New Zealand Free – Range Chicken, organs, bones and 3% New Zealand Green Mussels (a great natural source of glucosamine and chondroitin). This follows the whole prey diet that carnivorous dogs have eaten for centuries. Unlike other pet (and human!) foods that use factory farmed, free run or cage-free chicken, Ziwi Peak Chicken is raised in an ethical, free-range set up that allows for 24-hour access to forage New Zealands lush pastures.