Wholly Fish! Chicken-Free Feline Treats and Wholly Fish! Chicken-Free + Digestive Health Treats are made using only real salmon or tuna and natural, poultry-free ingredients. Crafted specifically to be free of chicken and poultry for those cats looking for a pure, premium, crunchy fish option. The first ingredient is real salmon or real tuna with no fish meal. Grain-, gluten-, soy- and dairy-free.