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Related Experiment Videos

Whisker trimming in mice

E Strozik, M F Festing

    Laboratory Animals
    |October 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    Whisker trimming is a common behavior in A2G mice, increasing with age. Social dominance influences trimming in males, while females exhibit more trimming unless pregnant.

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    Area of Science:

    • Ethology
    • Animal Behavior
    • Rodent Studies

    Background:

    • Whisker trimming is a prevalent behavior observed in A2G mouse strains.
    • The incidence of whisker trimming increases with the age of the mice.

    Purpose of the Study:

    • To investigate the factors influencing whisker trimming in A2G mice.
    • To examine the role of social dominance and sex in this behavior.

    Main Methods:

    • Observational studies on A2G mice housed in groups.
    • Social dominance was assessed using a tube test.
    • Comparisons were made between different housing conditions and sexes.

    Main Results:

    • Whisker trimming incidence progresses with age, affecting over 75% of cages by 60 days.

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  • In mixed-strain housing, A2G males tended to trim whiskers when socially dominant.
  • Female mice exhibited more frequent trimming than males, except when pregnant.

    • Conclusions:

    • Social dominance is a key factor in male A2G mice whisker trimming.
    • Pregnancy appears to confer resistance to whisker trimming in female mice.
    • Further research can explore the underlying mechanisms of this behavior.