The wire-bar cage top as a barrier to breeding and genetic contamination of laboratory mice.
D000818:Animals; D000830:Animals, Laboratory / Q000235:genetics*; D003433:Crosses, Genetic; D005260:Female; D006799:Housing, Animal; D008297:Male; D051379:Mice; D008815:Mice, Inbred Strains; D012726:Sexual Behavior, Animal