It is often argued that enriching the barren cages of nonhuman primates in laboratories cannot be afforded by the biomedical community. Admittedly, it would probably be too expensive for most ...

and along with countless rabbits and quail will spend all their lives in barren cages. In October last year, the European Commission’s own Eurobarometer survey revealed that an overwhelming nine ...

USDA, 1991; CCAC, 1993). Housing nonhuman primates in permanent social isolation in barren cages raises self-evident ethical concerns. In the course of eight years, I have provided effective, ...