Noninvasive reproductive steroid hormone estimates from fecal samples of captive female sea otters (Enhydra lutris)

General and Comparative Endocrinology

Volumn 134, Issue 1, 2003, Pages 18-25

  Larson, Shawn ^a   Casson, C J ^a   Wasser, Sam ^b  

^a Seattle Aquarium   (United States)

^b UNIVERSITY OF WASHINGTON   (United States)

Author keywords

Enhyrda lutris; Estrogen; Fecal hormone metabolites; Progestagen; Radioimmunoassay; Sea otter

Indexed keywords

ESTROGEN; GESTAGEN; STEROID HORMONE;

ACCURACY; ANESTRUS; ANIMAL EXPERIMENT; ARTICLE; ASSAY; CARNIVORA; CONTROLLED STUDY; DOCUMENTATION; ESTRUS; FECES ANALYSIS; FEMALE; HORMONE DETERMINATION; LUTEAL PHASE; MALE; METABOLITE; MONITORING; NONHUMAN; PREGNANCY; PRIORITY JOURNAL; RADIOIMMUNOASSAY; REPRODUCTION; SAMPLE; TECHNIQUE; VALIDATION PROCESS;

EID: 0043236137     PISSN: 00166480     EISSN: 10956840     Source Type: Journal    
DOI: 10.1016/S0016-6480(03)00239-9     Document Type: Article

References (15)

1. Bodkin J.L., Mulcahy D., Lensink C.J. Age-specific reproduction in female sea otters (Enhydra lutris) from south central Alaska:analysis of reproductive tracts. Can. J. Zool. 71:1993;1811-1815.
2. Estes J.A., Doak D.F., Bodkin J.R., Jameson R.J., Monson D., Watt J., Tinker M.T. Comparative demography of sea otter populations. Endangered Species Update. 13(12):1996;11-13.
3. Grieger D.M., Scarborough R., deAvila D.M., Johnson H.E., Reeves J.J. Active immunization of beef heifers against luteinizing hormone: III. Evaluation of dose and longevity. Journal of Animal Science. 68:1990;3755-3764.
4. Gross, T.S., 1992. Development and use of faecal steroid analyses in several carnivore species. In: Schaftenaar, W., Buiter, R.M., Dieleman, S.J. (Eds.), The First International Symposium on Faecal Steroid Monitoring in Zoo Animals. pp. 55-61.
5. Jameson R.J., Johnson A.M. Reproductive characteristics of female sea otters. Marine Mammal Science. 9(2):1993;156-167.
6. Kenyon K.W. The sea otter in the eastern Pacific Ocean. North American Fauna. 1969;68.
7. Monson D.H., DeGrange A.R. Reproduction, preweaning survival, and survival of adult sea otters at Kodiak Island, Alaska. Can. J. Zool. 73:1995;1161-1169.
8. Monson D.H., Estes J.A., Bodkin J.L., Siniff D.B. Life history plasticity and population regulation in sea otters. OIKOS. 90:2000;457-468.
9. Ralls K., Ballou J., Brownell R.L. Jr. Genetic diversity in California sea otters: Theoretical considerations and management implications. Biol. Cons. 25:1983;209-232.
10. Riedman, M.L. and Estes, J.A., 1990. The sea otter (Enhydra lutris): Behavior, ecology and natural history. U.S. Department of the Interior, Fish and Wildlife Service. Biological Report 90 (14).
11. Riedman M.L., Estes J.A., Staedler M.M., Giles A.A., Carlson D.R. Breeding patterns and reproductive success of California sea otters. Journal of Wildlife Management. 58:1994;391-399.
12. Siniff D.B., Ralls K. Reproduction, survival and tag loss in California sea otters. Marine Mammal Science. 7:1991;211-299.
13. Wasser S.K., Thomas R., Nair P.P., Guidry C., Southers J., Lucas J., Wildt D.E., Montfort S.L. Effects of dietary fiber on faecal steroid measurements. Journal of reproduction and fertility. 97:1993;569-574.
14. Wasser S.K., Montfort S.L., Southers J., Wildt D.E. Excretion rates and metabolites of oestradiol and progesterone in baboon (Papio cynocephalus) at Mikumi National Park, Tanzania. American Journal of Primatology. 35:1994;15-30.
15. Wasser S.K., Papageorge S., Foley C.A.H., Brown J.L. Excretory fate of estradiol and progesterone in the African elephant (Loxodonta africana) and patterns of fecal steroid concentrations throughout the estrous cycle. General and Comparative Endocrinology. 102:1996;255-262.