The role of hair in swimming of laboratory mice: Implications for behavioural studies in animals with abnormal hair

Allan V. Kalueff*, P. Tuohimaa

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Animal swimming tests, such as the forced swim test, are extensively used in biomedical research to study rodent behaviour. Hair and skin exposed to water may be an important factor affecting the performance in this test. Since various hair and skin abnormalities are not uncommon in genetically modified or drug-treated laboratory animals, this test may be inappropriate for these animals. Because on occasions it is necessary to screen their swimming behaviour, in the present study we aimed to assess the role of hair in swimming of laboratory rodents in the forced swim test, widely used in behavioural research. For this, we shaved laboratory mice (129Sl strain) and compared their swimming patterns with those of unshaven controls. Overall, shaving mice did not affect their swimming behaviours in the 5 min forced swim test. Our results indicate that hair condition is not an important factor in the forced swim test for this mouse strain, and suggest that this test may have wider utility for behavioural analyses of mice with abnormal hair.

Original languageEnglish
Pages (from-to)370-376
Number of pages7
JournalLaboratory Animals
Volume39
Issue number4
DOIs
Publication statusPublished - Oct 2005
Externally publishedYes

Keywords

  • Behavioural test
  • Hair
  • Mice
  • Swimming

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