Chasing Our Tails Dehydrated Pork Heart treats are formulated to appeal to dogs of ages, from training puppies to the older pet with dental issues. 100% organ or striated muscle that is hand-trimmed of extra fat, our treats are dehydrated and not freeze dried. This allows the treats to more accurately retain the natural color, smell and taste that dogs love. Sourced from USA grown animals our dehydrated products contain no fillers, artificial colors, flavors or preservatives.