ZIWI Peak air-dried beef recipe for cats is based on a clean and simple recipe, featuring world-class New Zealand grass-fed and free-range beef. ZIWI beef is raised simply, with access to fresh grass 365 days a year.  New Zealand grass-fed and free-range beef has a reputation of being the best in the world. Just as our beef is raised simply, our recipe is simple too. Few ingredients but full of flavour, the purr-fect choice for cats of all breeds and life stages.