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The laboratory mouse or lab mouse is a small mammal of the order Rodentia which is bred and ... Group-housed C57BL/6 mice (and other strains) display barbering ...
It is the most widely used "genetic background" for genetically modified mice for use as models of human disease. They are the most widely used and best-selling mouse strain due to the availability of congenic strains, easy breeding, and robustness. [1] The median lifespan of C57BL/6 mice is 27–29 months and the maximum lifespan is about 36 ...
Barbering, or fur and whisker trimming; removing the whiskers or fur of another animal. [7] Cannibalism; eating the flesh or internal organs of another animal of the same species. [8] Chronic egg laying; laying an abnormal number of infertile eggs, or clutches of eggs in the absence of a mate, to the detriment of a bird's health.
A dead mouse found in a cage in a clandestine Reedley laboratory is surrounded by decaying carcasses of mice that died previously in this photo taken by city code enforcement officers in April 2023.
The term "barbering" when applied to laboratory mice is a behavior where mice will use their teeth to pluck out hairs from the face of cage mates when they groom each other. It is practised by both male and female mice. The "barber" plucks the vibrissae of the recipient. The behavior is probably related to social dominance. [34]
Once activated, the neurons caused the mice to attack live prey such as crickets, and even inanimate objects such as bottle caps and plastic insect-like toys. "The animals become very efficient in ...
For example, the behaviour is known as hair-pulling in non-human primates, barbering in mice, and feather picking in birds. [ 21 ] [ 22 ] [ 23 ] Captive animals are the primary performers of hair-pulling, and its equivalent behaviours, and the behaviour may be directed towards their own body or may occur in a social context where the hair ...
A report from Seton Hall University describes the suspension of a faculty member after lab mice were forced to live in "extremely dirty" conditions.