Degree of Chinese ancestry affects behavioral characteristics of infant rhesus macaques (Macaca mulatta)

J. Jiang, Sreetharan Kanthaswamy, J. P. Capitanio

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The use of Chinese-origin macaques in biomedical research is problematic for some scientists because of the reported behavioral and physiological differences from those of Indian origin. However, few studies have examined the effects of varying degrees of Chinese ancestry (DCA) on behavior, and they were typically based on small sample sizes and unusual rearing conditions. Methods: Using data from a colony-wide program, we examined whether DCA was related to behavior and temperament ratings reflecting emotionality (fearfulness, aggression, and anxiety) and activity. The 249 subjects, born and reared in an outdoor social environment, were separated from their groups for a 25-h period of indoor testing. Their DCA (range: 0.6-99.4%) was determined by analyzing the frequency of short tandem repeat alleles. Results and Conclusions: The major effect of DCA was on fearfulness, with the more hybridized animals scoring lowest and the more pure Indian- and Chinese-origin macaques resembling each other.

Original languageEnglish (US)
Pages (from-to)20-27
Number of pages8
JournalJournal of Medical Primatology
Volume42
Issue number1
DOIs
StatePublished - Feb 2013
Externally publishedYes

Fingerprint

Macaca
Macaca mulatta
ancestry
Temperament
Social Environment
fearfulness
Aggression
Microsatellite Repeats
Sample Size
Biomedical Research
Anxiety
Alleles
temperament
social environment
biomedical research
anxiety
aggression
rearing
microsatellite repeats
alleles

Keywords

  • Aggression
  • Anxiety
  • Chinese ancestry
  • Fearfulness
  • Rhesus macaque

ASJC Scopus subject areas

  • Animal Science and Zoology
  • veterinary(all)

Cite this

Degree of Chinese ancestry affects behavioral characteristics of infant rhesus macaques (Macaca mulatta). / Jiang, J.; Kanthaswamy, Sreetharan; Capitanio, J. P.

In: Journal of Medical Primatology, Vol. 42, No. 1, 02.2013, p. 20-27.

Research output: Contribution to journalArticle

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