Squirrel Monkey Reproduction: The "Fatted" Male Phenomenon and Seasonal Spermatogenesis

作者: F. V. Du Mond , T. C. Hutchinson

DOI: 10.1126/SCIENCE.158.3804.1067

关键词: SpermatogenesisReproductionSquirrel monkeyBiologySecondary sex characteristicSubcutaneous fatTesticular histologyEcologyZoologyPeriod (gene)

摘要: Records of reproduction in a Miami colony squirrel monkeys living seminatural state and the field indicate that male undergoes an annual testis cycle. The spermatogenic phase is associated with seasonal acquisition secondary sexual characteristic which we have termed "fatted" condition. Body weights, measurements subcutaneous fat, testicular histology studied over 12-month period further establish this Climatological analyses suggest cycle precipitation cycles respective environments.

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C. R. Carpenter, Behavior of Red Spider Monkeys in Panama Journal of Mammalogy. ,vol. 16, pp. 171- 180 ,(1935) , 10.2307/1374442