What is the preferred term for 'animal housing' in the Guide and AWA?
Primary Enclosure
What plastic is used fir single-use, disposable caging?
Polyethylene (PET)
T/F - The Guide recommends wire-bottom caging for rodents.
False, potential foot injuries.
What 4 types of large animals are housed in group caging?
Cats
Rabbits
NHP
Sheep
Which species are metabolic cages most commonly used for?
Rodents
What 2 things increase if there is poor ventilation in the cage?
Ammonia & humidity
T/F - Polysulfone is most common plastic used for rodent caging and fish tanks
True.
Which organizations/standards determine the cage characteristics and sizes?
The Guide & Animal Welfare Regulations (AWR)
What do dogs need at least once a day that other lab animals do not?
Daily walk or exercise.
What are transport /transfer cages sometimes called?
Jump Boxes
What is a disadvantage of corrals?
It may be difficult immobilizing or restraining a single animal.
What metal is most commonly used for lab animal caging, but is more expensive?
Stainless steel
What factors influence the size of the animal's caging?
-Body weight
-Height or length
-Exercise requirements
-Enrichment needs
Pens usually have short sides - how many inches tall in height?
Nesting materials, toys, foraging devices, and food treats are examples of which of the following:
a) Caging Enhancement
b) Behavioral supplementation
c) Environmental enrichment
d) Operant conditioning
C) Environmental enrichment
If animals are infected with pathogens that are regulated by the CDC or the USDA, what special feature must their cage have?
A locking mechanism
Pros and cons of aluminum for caging
PROS
- Lightweight, inexpensive
CONS
- Does not stand up to repeated washings and chemical exposure
What is the purpose of a microisolation cage?
Creates a barrier or containment system at the cage level
Prevents exchange of microorganisms between cage and the environment.
What is a corral?
Larger spaces (1-2 acres) of outdoor enclosures.
Mimics natural environment for large groups of animals
What are 2 types of research studies that use biocontainment caging systems for the animals?
- Infectious Disease Studies
- Toxicity Studies
What was Polycarbonate used for?
Durable rodent cages and aquatic tanks
No longer used in plastic
What do individual ventilated cages (IVC) have that static micro-isolation cages do not have?
IVCs have a fan on the rack that moves air in and out of each cage through airflow ports.
What does the USDA require for any outdoor enclosure for NHPs?
A perimeter fence at least 6 ft high and 3 feet away from any primary enclosures.
What is the quote the AWR and the Guide say about space recommendations?
"at a minimum, animals must have enough space to express their natural postures and postural adjustments without touching the enclosure walls or ceiling be able to turn around, and have ready access to food and water."