
Germ-free animals are animals that have no microorganisms living in or on it. Such animals are raised within germ-free isolators in order to control their exposure to viral, bacterial or parasitic agents. When known strains of bacteria or microbiota are introduced to a germ-free animal, it usually referred to as a gnotobiotic animal, however techn...
Found on
http://en.wikipedia.org/wiki/Germ-free_animal

An animal which has no microorganisms whatsoever living in or on it. ... An animal which was born and raised in an isolated environment with no microorganisms in it, such as within a germ-free isolator. ... (09 Oct 1997) ...
Found on
http://www.encyclo.co.uk/local/20973
No exact match found.