Abstract
Female sexual behavior of male rats castrated 1 h postpartum was qualitatively and quantitatively superior to that of males castrated 6, 12, or 48 h after birth. One-hour castrated males differed from spayed females only in that their lordotic responses were held less frequently after the male’s dismount. A combined group of 1-day castrated males was found to be inferior to spayed females on all measures of receptivity. These data suggest that differences among various studies in the degree of feminization resulting from neonatal castration of the male are related to the percentage of Ss in each study castrated within a few hours of birth.
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GERALL, A. A., HENDRICKS, S.E., JOHNSON, L. L., & BOUNDS, T. W. Effects of early castration in male rats on adult sexual behavior. Journal of Comparative & Physiological Psychology, 1967, 64, 206–212.
GRADY, K. L., PHOENIX, C. H., & YOUNG, W. C. Role of the developing rat testis in differentiation of the neural tissues mediating mating behavior. Journal of Comparative & Physiological Psychology, 1965, 59, 176–182.
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This study was supported by Research Grant HD 00867-07 from the National Institute of Child Health and Human Development, United States Public Health Service.
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Thomas, C.N., Gerall, A.A. Effect of hour of operation on feminization of neonatally castrated male rats. Psychon Sci 16, 19–20 (1969). https://doi.org/10.3758/BF03331890
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DOI: https://doi.org/10.3758/BF03331890