Aggression in the lactating rat: Effects of intruder age and test arena

作者: Mary S. Erskine , Victor H. Denenberg , Bruce D. Goldman

DOI: 10.1016/S0091-6773(78)91148-3

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摘要: In Experiment I, female rats on Day 5 of lactation were presented with unfamiliar male intruders varying ages in their home cage. A high percentage (85.4) all females attacked the males, and higher levels several fighting behaviors elicited these by 34- to 35- 44- 45-day-old than 53- 55- 108- 109-day-old intruders. II, lactating either 50- 58- or 110- 118-day-old males an extended cage apparatus. They neither prevented from entering area containing nest nor behaved differently toward who killed did not kill pups. No correlation was found between length time spent frequencies movement out number attacks females. These results are discussed relation hypothesis that aggression serves as a protective mechanism for young.

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