All Sato Rescue (ASR) is a nonprofit organization dedicated to improving the lives, and reducing the numbers, of abandoned dogs in Puerto Rico. (Sato is Puerto Rican slang for a mutt.) We rescue and rehome Satos, and we also strive to address the root causes of overpopulation, abuse, and neglect through initiatives aimed at raising public awareness, facilitating low-cost spay and neuter, and expanding the involvement of the judiciary and government in implementing humane solutions.