Cross-fostering of DBA and C57Bl mice. Increase in voluntary consumption of alcohol by DBA weanlings.

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Abstract
Weanling mice of the alcohol-avoiding DBA strain cross-fostered to mothers of the alcohol-selecting C57Bl strain drank twice as much alcohol as did nonfostered DBA mice. In contrast, C57Bl mice cross-fostered to DBA mothers drank the same amount of alcohol as did nonfostered C57Bl mice. Differences in maternal behavior seem to be responsible for differences in alcohol selection by weanlings.