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- Title
Application of noninvasive techniques to monitor reproductive function in a brown hyena( Hyena brunnea).
- Authors
Ensley, P. K.; Wing, A. E.; Gosink, B. B.; Lasley, B. L.; Durrant, B.
- Abstract
Estrus in a 10-yr-old brown hyena was described by monitoring urinary steroid metabolites. These studies were repeated the succeeding year and combined with ultrasonography, vaginal cytology, and laparoscopy to further aid in identifying natural and induced estrus. Collection of semen from a 14-yr-old male brown hyena was accomplished by electroejaculation. Use of frozen semen once during natural estrus and again during estrus induced with follicle stimulating hormone (FSH) did not result in pregnancy. Further studies with this animal indicate that stimulation with gonadotropin releasing hormone (GNRH), rather than FSH, may be the more appropriate treatment for stimulating ovulation in canids or related species. While this study did not result in conception, a significant step toward that end was realized by utilizing urinary estrogen to monitor the estrus cycle.
- Publication
Zoo Biology, 1982, Vol 1, Issue 4, p333
- ISSN
0733-3188
- Publication type
Article
- DOI
10.1002/zoo.1430010406