Cited by 100Neuroendocrine regulation and behaviorAnimal Behavior and Welfare StudiesAnimal Behavior and Reproduction

Weaning in rats: I. Maternal behavior

Cramer, Catherine P., Thiels, Edda, Alberts, Jeffrey R.·1990·Developmental Psychobiology

Abstract

Maternal behavior during the weaning period (postpartum Days 14-35) was described from continuous timelapse videorecordings of Norway rat dams and their litters. Time spent nursing declined steadily after Day 20 but persisted until Day 34, about a week longer than suggested by reports of milk transfer. Most of the decline in nursing was due to progressively fewer nursing bouts per day; milk letdowns per day were consequently diminished. Although a private feeding chamber was available to the dams, they did not use this chamber to spend more time away from the pups as weaning progressed. Instead, the dams remained with the pups in the nesting chamber but devoted increasingly less time to nursing. Subtle, progressive changes in maternal behavior are closely orchestrated and coordinated with pup development.

Integrity signals

Registry

Crossref · 10.1002/dev.420230604

Cites

31 of 31 references verified0 citation errors · 0 not checkable

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  • When young rats are allowed to remain with the dam they will continue to show nursing behavior until postnatal ages P28-P40, which overlaps with the beginning of puberty.

    “For example, when young rats are allowed to remain with the dam they will continue to show nursing behavior until postnatal ages P28–P40 [25, 43], which overlaps with the beginning of puberty.”

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Authors
Cramer, C. P., Thiels, E., & Alberts, J. R.
Affiliations
  • Dartmouth College (US)
  • University of Pittsburgh (US)
  • Indiana University Bloomington (US)
Corresponding author
Cramer, Catherine P.
Venue
Developmental Psychobiology
Publisher
Wiley
Published
1990-09
Volume
23
Issue
6
Pages
479-493
ISSN
  • 0012-1630 (ISSN-L)
  • 1098-2302
OpenAlex
W2157302048
Cited by
100
References
31
Citations by year
2026: 5 · 2025: 3 · 2024: 3 · 2023: 7 · 2022: 4 · 2021: 5 · 2020: 3 · 2019: 3 · 2018: 3 · 2017: 7 · 2016: 5 · 2015: 5 · 2014: 5 · 2013: 5 · 2012: 2
FWCI
3.72
Type
journal article
Language
en
Open access
closed
Locations
  • Developmental Psychobiology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Mental Health (MH 28355)
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Health Sciences › Veterinary › Small Animals › Animal Behavior and Welfare Studies
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Animal Behavior and Reproduction
Keywords
weaning, maternal behavior, nursing behavior, Rattus norvegicus, milk let-down, pup development, postpartum period, mother-pup interaction
MeSH terms
Animals, Female, Male, Maternal Behavior, Milk Ejection, Rats, Inbred Strains, Social Environment, Sucking Behavior, Weaning, Rats

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