Original sentence: In addition to state regulation, most tracks adopt their own rules, policies and procedures.Kennels are made up of indoor crates stacked two levels high, with the females usually kept on the upper level, and males on the lower level
Edited sentence: Although The Humane Society of the United States applauds the efforts of those volunteers who give their time and money to place unwanted greyhounds in loving homes, thousands of these dogs are still destroyed each year because there are not enough homes to accept them.Greyhounds make wonderful companion animals and are loving and responsive to human contact.In addition to state regulation, most tracks adopt their own rules, policies and procedures to ensure greyhound welfare.Kennels are indoor crates stacked two levels high, with the females usually kept on the upper level, and males on the lower level.Other greyhounds are either sold to research labs, returned to breeding facilities to serve as breeding stock, or sent to foreign racetracks, sometimes in developing countries with appalling track conditions.Unfortunately, thousands of "retired" greyhounds are not adopted each year