Rodent Cages Flashcards
consistent relative humidity
30-80%
humidity level that causes ringtail
less than 30%
humidity level that causes respiratory problems
high humidity, more than 80%
humidity level that causes food spoilage
high humidity, more than 80%
HVAC
heating, ventilation, air conditioning
HEPA
high efficiency particulate air filtration
negative pressure
room at lower pressure, contains airborne contaminants
air flows into room <—-
positive pressure
room at higher pressure, stops airborne contaminants from entering room
air flows out of room —–>
conventional housing
special precautions not taken to prevent contamination, like having a pet at home
barrier housing
special cages, sterilized bedding, special air filters
biohazard housing
areas designed to contain serious pathogens
PPE
personal protective equipment
conventional microbiological status
microbial burden not known/controlled
clean conventional microbiological status
free of major pathogens
virus antibody free microbiological status
free of antibodies to viral pathogens
specific pathogen-free (barrier maintained) microbiological status
free of a specific list of pathogens
pathogen free microbiological status
free of all demonstrable pathogens
gnotobiotic (defined flora) microbiological status
germ free of 1 or 2 nonpathogenic microorganisms
germ-free (axenic) microbiological status
free of detectable microorganisms
shoebox cage system
solid bottomed cage with stainless steel lid
microisolator cage system
variation of shoebox with filters in lid, lid must only be removed under hooded ventilation bench
suspended cage system
made of plastic or wire mesh and hangs from metal runners built into mobile rack, waste drops into collection pans below
metabolism cage system
designed to separate urine and feces, only used for short time for collection
laminar flow cage system
specialized filtration system that protects immuno-compromised animals
run/pen cage system
large animal housing with a waterproof sloped floor
sentinel animals
healthy, clean, and pathogen free
used to detect presence of disease within a colony
