Post partum aggression against intruding male conspecifics in sprague-dawley rats
Abstract
Six independent groups of individually housed female rats of the Sprague-Dawley strain were given a 5-min aggression test on Day 0 (day of parturition), 3, 6, 9, 12, or 15 postpartum. Latency to attack male conspecifics differed reliably among groups, being shortest on Day 0. Significant group differences in frequency of aggressive acts were also found with a consistent reduction in all measures by the end of the second week of lactation. Although attack by females caused most male intruders to react defensively, 23% of intruders showed retaliatory attacks against females. The function of maternal aggression in protecting the pups from infanticide by unfamiliar males is discussed.
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Adult female laboratory rats display aggression mainly during pregnancy and lactation.
“Adult females display aggression mainly during the pregnancy and lactation.56,57”
From Ecological validity of social interaction tests in rats and mice (2019) · cites this paper as [57]
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- Authors
- Flannelly, K. J., Flannelly, L., & Lore, R.
- Affiliations
- University of Hawaiʻi at Mānoa (US)
- Rutgers, The State University of New Jersey (US)
- Venue
- Behavioural Processes
- Publisher
- Elsevier BV
- Published
- 1986-09
- Volume
- 13
- Issue
- 3
- Pages
- 279-286
- ISSN
- 0376-6357 (ISSN-L)
- OpenAlex
- W2089542268
- Cited by
- 31
- References
- 25
- Citations by year
- 2026: 1 · 2024: 1 · 2018: 1
- FWCI
- 6.55
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Behavioural Processes (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Animal Behavior and Reproduction
- Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
- Social Sciences › Psychology › Social Psychology › Primate Behavior and Ecology
- Keywords
- maternal aggression, intruder aggression, female rats, Sprague-Dawley rats, lactation, defensive behavior, infanticide, maternal behavior
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