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Low-humidity tail annular constriction / tail-loss hazard in young rats

exotic_tox_rat_mouse_tail

exotic-pet-toxicology en 2026-07-29

Low-humidity tail annular constriction / tail-loss hazard in young rats

Verbatim first-hand facts from The Merck Veterinary Manual (rat-mouse). All bullets are exact substrings of the cited source file and C1-substring verified. Focus: toxicosis and environmental hazards of the pet species.

Toxicology facts

  • This adult rat lost a portion of its tail as a young animal. Raising young rats under conditions of low humidity can cause annular constrictions that can result in loss of the distal tail.

Sources

Low-humidity tail annular constriction / tail-loss hazard in young rats
Source document: The Merck Veterinary Manual
The Merck Veterinary ManualMerckVetManual-rat-mouseretrieved 2026-07-29

Verification file: pdf-raw/exotic-toxicology/rat-mouse.txt