Urinary hormone analysis as a diagnostic tool to evaluate the ovarian function of female gorillas (Gorilla gorilla)

Daily urine samples were collected from 4 adult female gorillas over 7 menstrual cycles. Urinary oestrone conjugate and pregnanediol-3-glucuronide (PDG) were measured by radioimmunoassay; LH was measured by enzyme immunoassay and each hormone was indexed by creatinine. The quantity of urinary LH dur...

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Bibliographic Details
Published inJournal of reproduction & fertility Vol. 82; no. 1; pp. 255 - 261
Main Authors Czekala, N M, Roser, J F, Mortensen, R B, Reichard, T, Lasley, B L
Format Journal Article
LanguageEnglish
Published England Society for Reproduction and Fertility 01.01.1988
Subjects
Animals
Estrone - urine
Estrus - physiology
Female
Gorilla gorilla - physiology
Immunoassay
Luteinizing Hormone - urine
Ovary - physiology
Pituitary Gland - physiology
Pregnanediol - analogs & derivatives
Pregnanediol - urine
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Summary:Daily urine samples were collected from 4 adult female gorillas over 7 menstrual cycles. Urinary oestrone conjugate and pregnanediol-3-glucuronide (PDG) were measured by radioimmunoassay; LH was measured by enzyme immunoassay and each hormone was indexed by creatinine. The quantity of urinary LH during the ovulatory surge was positively correlated with the quantity of PDG excreted during the luteal phase ( r = 0·87, P = 0·0013). The observations indicate a relationship between the quality of the LH surge and the levels of PDG in the luteal phase and suggest that both the LH surge and subsequent luteal phase function may be predictable from the oestrogen excretion profile during the follicular phase. Keywords: gorilla; oestrogen; progesterone; LH; luteal function
ISSN:1470-1626
0022-4251
1741-7899
DOI:10.1530/jrf.0.0820255