 The barn and kennels are allusions to:
This could be a ruse to bring a stop to investigations when one animal is found. And there were only eleven empty neutroid cages in his kennel. He wadded the memo in his pocket, then nosed the truck onto the highway and headed toward Wylo City and the district wholesale offices of Anthropos, Inc. Only thirty-five of July's Bermuda-K-99s had entered his territory, and they were about equally divided among five pet shops, three of which were in Wylo City. The cages were inside a sprawling concrete barn, which was divided into three large rooms—one for the fragile neuter humanoid creatures, and another for the lesser mutants, such as cat-Qs, dog-Fs, dwarf bears, and foot-high lambs that never matured into sheep.
 Concentration camps
 Ethnic experimentation labs  Torture chambers  Unethical animal testing facilities  Concentration camps