3"x 5" index card affixed to the exterior of the cage that includes identifying information for the animals housed within. Cage cards may be white, yellow, pink, blue.
- White cage cards indicate animals ordered from a vendor (for new arrivals) or animals separated from another cage.
- Yellow cage cards indicate breeding cages. Info includes litter birth dates, litter weaning dates, and pup deaths.
- Pink cage cards are on cages of weaned female litters or female animals.
- Blue cage cards are on cages of weaned male litters or male animals.