Pregnant Mice were stimulated with two substances, an antibronchitic lysate (LAB) and diethyldithiocarbamate (DTC). PFC response was studied in mothers and their offspring for 6 weeks after birth. An increase in PFC response was noted in the immunostimulated adult Mice. In the newborn Mice, the number of PFC increased between the 1st and 6th week. In comparison with controls, PFC response appeared later in the newborns to LAB-stimulated mothers and earlier in those to DTC-stimulated mothers.
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