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Keywords: Testosterone
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Folia Primatol (1992) 59 (1): 1–25.
Published Online: 12 September 2008
... sexual activity. Plasma testosterone concentrations were low (= 9 ng/ml) during short days and reached 60 ng/ml during long days (>12-hour day). This cyclic pattern persists unchanged when artificial photoperiodic rhythms are applied and is not altered by ageing. The timing of puberty is also...
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Folia Primatol (1993) 60 (3): 164–168.
Published Online: 12 September 2008
...R.J. Meier; C. Sorenson Jamison; P.L. Jamison Dermatoglyphics Rhesus monkeys Development Testosterone Macaca mulatta Hormone action 26 06 1992 14 05 1993 12 9 2008 1993 Copyright / Drug Dosage / Disclaimer Copyright: All rights reserved. No part...
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Folia Primatol (1984) 42 (1): 70–75.
Published Online: 11 September 2008
...S.C. Bullard The chest-rubbing behavior of 8 male greater galagos was studied. Castration of 4 males resulted in a sharp decrease in chest-marking, while testosterone replacement therapy resulted in an increased frequency. The 4 male controls generally maintained a stable relationship between chest...
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Folia Primatol (1981) 36 (3-4): 183–190.
Published Online: 11 September 2008
...A. Petter-Rousseaux; R. Picon There is a great annual variation in plasma testosterone in M. murinus. The averages for a dozen males can reach over 52.4 ng/ml in April and 1.97 ng/ml in October. During the breeding season, the values can reach more than 100 ng/ml and are among the highest found...
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Folia Primatol (1976) 26 (3): 214–226.
Published Online: 10 September 2008
...Allan Mazur The hormone testosterone appears to have an effect on status processes in small groups of nonhuman primates, and it may be involved in human status processes as well. 10 9 2008 © 1976 S. Karger AG, Basel 1976 Copyright / Drug Dosage / Disclaimer Copyright: All rights...
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Folia Primatol (1979) 32 (1-2): 149–160.
Published Online: 10 September 2008
... behavior. Radioimmuno-assay of blood samples confirmed significant increases in serum testosterone levels in each of 4 subjects, but only 3 of these showed significant behavioral changes. The basic social structure of the group, including the dominance hierarchy, was not disrupted by the treatment with HCG...
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Folia Primatol (1979) 32 (4): 263–267.
Published Online: 10 September 2008
... and his defense of group members was indistinguishable from that of intact alpha males but his behavior in no way delayed conception on the part of the females. Both the fertility and timing of births in this group were similar to those of other normal groups maintained at the same location. Testosterone...
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Folia Primatol (1977) 28 (2): 134–143.
Published Online: 10 September 2008
... below 0.20 ng/ml except for an apparent peak of short duration during estrus. Circulating testosterone levels in males confirm previously described seasonal gonadal function. The reproductive cycle of the female lemur is discussed and compared to the cycles of estrous and menstrual animals. 10 9...
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Folia Primatol (2005) 76 (1): 21–32.
Published Online: 02 February 2005
...Adinda Sannen; Linda van Elsacker; Michael Heistermann; Marcel Eens We examined the unknown relationship between testosterone and sexual behaviour in female bonobos (Pan paniscus) on a daily and long-term level. In most animal species, sexual behaviours mainly focus on reproduction. Bonobos...
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Folia Primatol (2004) 75 (2): 107–110.
Published Online: 12 March 2004
... to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements. Bonobo Pan paniscus Testosterone Urine Age Brief Report Folia Primatol 2004;75:107 110 DOI: 10.1159/000076271 Received: December 23, 2002 Accepted after revision...
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Folia Primatol (2000) 71 (1-2): 6–21.
Published Online: 17 February 2000
... be elevated in both male and female breeders during various stages of nest building, egg laying, incubating and feeding of young. Testosterone levels appear to have an inverse relationship to prolactin levels during infant care in birds and rodents, but this relationship has not been examined for primates...