Tender, Grain-Free Sausage Links to Fuel Your Dog??s Adventurous Life. Made with an abundance of what your dog naturally needs and craves, Zuke??s Lil?? Links provide a boost of energy to sustain any adventure. These grain-free, tender links are specially crafted in the USA using the Earth??s best ingredients ?? like protein-rich chicken, duck, pork or rabbit, wholefood fruits and veggies, savory herbs and NO corn, wheat or soy.