Maternal Behavior in Female C57BL/6J and DBA/2J Inbred Mice

Inbred strains of mice exhibit different patterns of maternal behavior, providing material for studies of genetic influences on the expression of maternal behavior. Beginning 1 day after birth, maternal behavior was recorded daily for 14 days in the first and second litters of C57BL/6J (B6) and DBA/...

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Bibliographic Details
Published in:Physiology & behavior 1999-10, Vol.67 (4), p.599-605
Main Authors: Brown, Richard E, Mathieson, W.Bruce, Stapleton, Jennifer, Neumann, Paul E
Format: Article
Language:English
Subjects:
Analysis of Variance
Animals
Behavioral psychophysiology
Biological and medical sciences
Birth Weight - physiology
C57BL/6J mice
DBA/2J mice
Female
Fundamental and applied biological sciences. Psychology
Maternal behavior
Maternal Behavior - physiology
Methods
Mice
Mice, Inbred C57BL
Mice, Inbred DBA
Nesting Behavior - physiology
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Sexual Behavior, Animal - physiology
Species Specificity
Survival
Time Factors
Weight Gain - physiology
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Summary:Inbred strains of mice exhibit different patterns of maternal behavior, providing material for studies of genetic influences on the expression of maternal behavior. Beginning 1 day after birth, maternal behavior was recorded daily for 14 days in the first and second litters of C57BL/6J (B6) and DBA/2J (D2) mothers. D 2 mice had higher pup survival than B6 mice, and pup survival was higher in both strains in second litters than in first litters. D 2 mothers spent more time engaged in maternal behavior, especially resting with, crouching over, and nursing pups than B6 mothers with first litters, but not with second litters. Not all measures of maternal behavior were correlated with pup survival; with both litters, B6 mothers retrieved pups faster than D 2 mothers.
ISSN:0031-9384
1873-507X
DOI:10.1016/S0031-9384(99)00109-2