What color does dried rodent urine fluoresce under UV light?

Dried rodent urine fluoresces under UV light, displaying a bluish white to yellowish white color. This characteristic is particularly useful in pest control and inspection, as it helps professionals identify rodent activity in an area. The fluorescence is due to the presence of certain compounds and proteins in the urine that react to ultraviolet light, making it possible to detect even small amounts of dried urine that may otherwise go unnoticed during an inspection.

The other color options do not correspond to the known behavior of rodent urine under UV light. For example, red, green, and purple do not have any association with dried rodent urine, making those options irrelevant in identifying rodent presence through fluorescence. The specific bluish white to yellowish white fluorescence is a key detail for pest control professionals as it aids in confirming rodent infestations and determining appropriate pest management strategies.