Ultrasonographic characterization of reproductive anatomy and early embryonic detection in the northern fur seal (Callorhinus ursinus) in the field

Marine Mammal Science

Volumn 23, Issue 2, 2007, Pages 445-452

  Adams, Gregg P ^a   Ward Testa, J ^b   Goertz, Caroline E C ^c   Ream, Rolf R ^d   Sterling, Jeremy T ^d  

^a UNIVERSITY OF SASKATCHEWAN   (Canada)

^b UNIVERSITY OF ALASKA ANCHORAGE   (United States)

^c Alaska Sealife Center   (United States)

^d NOAA Alaska Fisheries Science Center   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANATOMY; EMBRYO; PINNIPED; REPRODUCTIVE BIOLOGY; ULTRASONICS;

CALLORHINUS; CALLORHINUS URSINUS;

EID: 33947710799     PISSN: 08240469     EISSN: 17487692     Source Type: Journal    
DOI: 10.1111/j.1748-7692.2007.00104.x     Document Type: Article

References (22)

1. ADAMS, G. P., AND D. J. DIERSCHKE. 1992. Ultrasonic imaging of ovarian dynamics during the menstrual cycle in rhesus monkeys. American Journal of Primatology 27:13.
2. ADAMS, G. P., E. D. PLOTKA, C. S. ASA AND O. J. GINTHER. 1991. Feasibility of characterizing reproductive events in large nondomestic species by transrectal ultrasonic imaging. Zoo Biology 10:247-259.
3. BAERWALD, A. R., G. P. ADAMS AND R. A. PIERSON. 2003. Characterization of ovarian follicular wave dynamics in women. Biology of Reproduction 69:1035-1043.
4. BROOK, F. M. 2001. Ultrasonographic imaging of the reproductive organs of the female bottlenose dolphin, Tursiops truncatus aduncas. Reproduction 121:419-428.
5. BROOK, F. M., E. H. T. LIM, F. H. C. CHUA AND B. MACKAY. 2004. Assessment of the reproductive cycle of the Indo-Pacific humpback dolphin, Sousa chinensis, using ultrasonography. Aquatic Mammals 30:137-148.
6. CHAPMAN, D. G. 1961. Population dynamics of the Alaska fur seal herd. Transactions of the North American Wildlife and Natural Resources Conference 26:356-369.
7. DIERSCHKE, D. J., A. M. WILKE AND G. P. ADAMS. 1992. Ultrasound imaging of uterine dynamics during the menstrual cycle in rhesus monkeys. Biology of Reproduction 46(Suppl. 1):75.
8. GENTRY, R. L., AND J. R. HOLT. 1982. Equipment and techniques for handling northern fur seals. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Seattle, WA.
9. GINTHER, O. J. 1995. Ultrasonic imaging and animal reproduction: Fundamentals book 1. Equiservices Publishing, Cross Plains, WI.
10. HOARE, E. K., S. E. PARKER, P. F. FLOOD AND G. P. ADAMS. 1997. Ultrasonic imaging of reproductive events in muskoxen. Rangifer 17:119-123.
11. LOUGHLIN, T. R., G. A. ANTONELIS, J. D. BAKER, A. E. YORK, C.W. FOWLER, R. L. DELONG AND H. W. BRAHAM. 1994. Status of the northern fur seal population in the United States during 1992. Pages 9-78 in E. H. Sinclair, ed. Fur seal investigations, 1992. U.S. Department of Commerce, Seattle, WA.
12. MCCORKELL, R. B., L. MACDOUGALL AND G. P. ADAMS. 2004. Ovarian follicle development in wapiti (Cervus elaphus) during the anovulatory season. Theriogenology 61:473-483.
13. NATIONAL MARINE MAMMAL LABORATORY. 1993. Final conservation plan for the northern fur seal Callorhinus ursinus. Prepared by the National Marine Mammal Laboratory/Alaska Fisheries Science Center, Seattle, WA, and the Office of Protected Resources/National Marine Fisheries Service, Silver Spring, MD. 80 pp.
14. SINGH, J., G. P. ADAMS AND R. A. PIERSON. 2003. Promise of new technologies for visualizing ovarian structure and function in domestic animals. Animal Reproduction Science 78:371-399.
15. STEPHENSON, T. R., J.W. TESTA, G. P. ADAMS, R. G. SASSER, C. C. SCHWARTZ AND K. J. HUNDERTMARK. 1995. Diagnosis of pregnancy and twinning in moose by ultrasonography and serum assay. Alces 31:167-172.
16. STONE, L. R. 1990. Diagnostic ultrasound in marine mammals. Pages 235-264 in L. Dierauf, editor. CRC handbook of marine mammal medicine: Health, disease and rehabilitation. CRC Press, Inc., Boca Raton, FL.
17. TESTA, J.W., AND G. P. ADAMS. 1998. Body condition and adjustments to reproductive effort in female moose (Alces alces). Journal of Mammalogy 79:1345-1354.
18. TOWELL, R. G., R. R. REAM AND A. E. YORK. 2006. Decline in northern fur seal (Callorhinus ursinus) pup production on the Pribilof Islands. Marine Mammal Science 22:486-491.
19. TRITES, A. W., AND A. E. YORK. 1993. Unexpected changes in reproductive rates and mean age at first birth during the decline of the Pribilof northern fur seal (Callorhinus ursinus). Canadian Journal of Fisheries and Aquatic Sciences 50:858-864.
20. WILLIAMSON, P., N. J. GALES AND S. LISTER. 1990. Use of real-time B-mode ultrasound for pregnancy diagnosis and measurement of fetal growth rate in captive bottlenose dolphins (Tursiops truncatus). Journal of Reproduction and Fertility 88:543-548.
21. YORK, A. E., AND V. B. SCHEFFER. 1997. Timing of implantation in the northern fur seal, Callorhinus ursinus. Journal of Mammalogy 78:675-683.
22. YOUNG, J. S., AND E. B. GRANTMYRE. 1992. Real-time ultrasound for pregnancy diagnosis in harbour seal (Phoca vitulina concolor). Veterinary Record 130:328-330.