Maternal care affects the development of maternal behavior in inbred mice

Hirotaka Shoji, Katsunori Kato

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The present study investigated the effects of variations in maternal behavior on the development of maternal behavior of female offspring in BALB/c and CBA/Ca inbred mice. In Experiment 1, we conducted fostering within or between the two strains and observed the maternal behaviors of mothers and female offspring for 2 weeks postpartum. Although fostering changed the maternal behavior of mothers in both strains, CBA mothers generally showed greater frequency of nursing posture and pup licking than BALB mothers. BALB female offspring reared by CBA mothers showed more body licking than those reared by BALB mothers, whereas fostering did not affect the maternal behavior of CBA female offspring. In Experiment 2, we examined the maternal behavior of females of F1 hybrids derived from reciprocal crosses between the two strains to confirm the maternal effect demonstrated in Experiment 1. Female F1 hybrids from CBA mothers showed more arched-back nursing, body licking, and nest building than those from BALB mothers. These results suggested that maternal care affect the development of maternal behavior in inbred mice, though the contributions of genetic and prenatal factors cannot be ignored.

Original languageEnglish
Pages (from-to)345-357
Number of pages13
JournalDevelopmental Psychobiology
Volume51
Issue number4
DOIs
Publication statusPublished - 01-05-2009

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Maternal Behavior
Mothers
Foster Home Care
Nursing
Inbred CBA Mouse
Posture
Postpartum Period

All Science Journal Classification (ASJC) codes

  • Developmental Biology
  • Behavioral Neuroscience
  • Developmental Neuroscience
  • Developmental and Educational Psychology

Cite this

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Maternal care affects the development of maternal behavior in inbred mice. / Shoji, Hirotaka; Kato, Katsunori.

In: Developmental Psychobiology, Vol. 51, No. 4, 01.05.2009, p. 345-357.

Research output: Contribution to journalArticle

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