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  • Title: Comparison of urinary oestrogen excretion in South American primates.
    Author: Hodges JK, Gulick BA, Czekala NM, Lasley BL.
    Journal: J Reprod Fertil; 1981 Jan; 61(1):83-90. PubMed ID: 6779005.
    Abstract:
    Changes in the excretion of immunoreactive oestrogens and biologically active LH were assessed from measurements on small samples of urine collected from a capuchin, a tamarin, a spider monkey and a squirrel monkey. The hormone profiles were used to time matings of the capuchin and spider monkey; conception and pregnancy ensued. Detailed analysis of one urine sample from each female by using partition chromatography and reverse-phase high-pressure liquid chromatography showed that oestrone was more abundant than oestradiol-17 beta and oestriol combined, but the relative contribution of individual oestrogens to the total oestrogen complement differed. In the sample from the capuchin, an immunoreactive oestrogen slightly less polar than oestradiol appeared to be the most abundant urinary oestrogen.
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