✦ LIBER ✦

Responses of dominant and subordinate male rats to the odors of male and female conspecifics

✍ Scribed by Richard E. Brown

Publisher: John Wiley and Sons
Year: 1992
Tongue: English
Weight: 673 KB
Volume: 18
Category: Article
ISSN: 0096-140X
DOI: 10.1002/1098-2337(1992)18:2<129::aid-ab2480180206>3.0.co;2-u

No coin nor oath required. For personal study only.

✦ Synopsis

The resident-intruder paradigm was used to examine the effects of social dominance and individual recognition on odor preferences and urine-marking in male rats. Resident males were significantly more aggressive than intruders and spent more time investigating the odors of familiar intruders. Resident males urine-marked most over the odors of females and familiar intruders while intruders marked least over the odor of the familiar resident. Intruders did not avoid investigating nor marking over the odors of familiar resident males or other conspecifics. These results suggest that individual odors of male rats may be more salient than a general odor of dominance, and that the dominant males increase their investigation and marking over the odors of familiar subordinates but not unfamiliar subordinates. The importance of olfactory learning during aggressive interactions is discussed.

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