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Eighteen years of birth records for three species of Galago at the Duke University Primate Center were examined to determine the effect of gravidity status on neonatal mortality and litter size. Multiparous Galago senegalensis moholi and G crassicaudatus, but not G garnettii, had significantly higher infant survival rates. Gravidity status had no effect on the percentage of multiple births for any of the three species of Galago.
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Izard et al. (1986) studied this question.
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