title: EPA small pen tests I. Effects of pen and group sizes, sex combinations, and feeding levels on bobwhite activity.
mesh_terms: D000818:Animals; D001717:Birds / Q000502:physiology*; D004032:Diet; D004779:Environment Design; D005260:Female; D007615:Kansas; D008297:Male; D009043:Motor Activity; D012107:Research Design; D012737:Sex Factors; D014116:Toxicology / Q000379:methods*