Effect of postnatal litter size on adult aggression in the laboratory mouse.

@article{Ryan1975EffectOP,
  title={Effect of postnatal litter size on adult aggression in the laboratory mouse.},
  author={Vincent Ryan and Francine Wehmer},
  journal={Developmental psychobiology},
  year={1975},
  volume={8 4},
  pages={
          363-70
        }
}
Growth, emotionality, food competition, and aggression were examined in mice nursed in litters of 3 or 9 and reared in isolation until testing. Animals from large litters were lighter at weaning and in adulthood and were more emotional in the open field than subjects from small litters. They did not win more food competition tests than subjects from small litters although their consummatory behavior during food competition tests was greater. Subjects from large litters were more aggressive in… CONTINUE READING