Body mass and lipid changes by hibernating reproductive and nonreproductive black bears (Ursus americanus)

Journal of Mammalogy

Volumn 83, Issue 4, 2002, Pages 1020-1025

  Harlow, H J ^a   Lohuis, T ^a   Grogan, R G ^b   Beck, T D I ^c  

^a UNIVERSITY OF WYOMING   (United States)

^b WYOMING GAME AND FISH DEPARTMENT   (United States)

^c Wildlife Health Program   (United States)

Author keywords

Black bears; Body fat; Energy; Hibernation; Protein; Reproduction

Indexed keywords

BEAR; BODY MASS; HIBERNATION; PREGNANCY;

NORTH AMERICA;

URSUS; URSUS AMERICANUS; VERTEBRATA;

EID: 0036862361     PISSN: 00222372     EISSN: None     Source Type: Journal    
DOI: 10.1644/1545-1542(2002)083<1020:BMALCB>2.0.CO;2     Document Type: Article

References (31)

1. Alt, G. L. 1982. Reproductive biology of Pennsylvania's black bear. Pennsylvania Game News 53:9-15.
2. Alt, G. L. 1983. Timing of parturition of black bears (Ursus americanus) in northern Pennsylvania. Journal of Mammalogy 64:305-307.
3. Atkinson, S. N., and M. Ramsay. 1995. The effect of prolonged fasting on the body composition and reproductive success of female polar bears, Ursus maritimus. Functional Ecology 9:559-567.
4. Barboza, P. S., S. D. Farley, and C. T. Robbins. 1997. Whole-body urea cycling and protein turnover during hyperphagia and dormancy in growing bears (Ursus americanus and U. arctos). Canadian Journal of Zoology 75:2129-2136.
5. Battaglia, F. C., and G. Meschia. 1978. Principle substrates of fetal metabolism. Physiological Review 58:499-527.
6. Berg, H. E., L. Larsson, and P. A. Tesch. 1997. Lower limb skeletal muscle function after 6 wk of bed rest. Journal of Applied Physiology 82:182-188.
7. Bintz, G. L., and C. E. Strand. 1983. Nitrogen catabolism during starvation and starvation with water deprivation in Richardson's ground squirrels. Journal of Comparative Physiology 149:563-572.
8. Blaxter, K. L. 1989. Energy metabolism in animals and man. Cambridge University Press, Cambridge, United Kingdom.
9. Craighead, J. J., J. R. Varney, F. C. Craighead, and J. S. Sumner. 1976. Telemetry experiments with a hibernating black bear. International Conference on Bear Research and Management 3:357-369.
10. Farley, S. D., and C. T. Robbins. 1994. Development of two methods to estimate body composition of bears. Canadian Journal of Zoology 72:220-226.
11. Farley, S. D., and C. T. Robbins. 1995. Lactation, hibernation, and mass dynamics of American black bears and grizzly bears. Canadian Journal of Zoology 73:2216-2222.
12. Harlow, H. J., T. Lohuis, T. D. I. Beck, and P. A. Iaizzo. 2001. Muscle strength in overwintering bears. Nature 409:997.
13. Hellgren, E. C. 1998. Physiology of hibernation in bears. Ursus 10:467-477.
14. Hellgren, E. C., M. R. Vaughan, R. L. Kirkpatrick, and P. F. Scanlon. 1990. Serial changes in metabolic correlates of hibernation in female black bears. Journal of Mammalogy 71:291-300.
15. Hilderbrand, G. V., C. C. Schwartz, C. T. Robbins, and T. S. Hanley. 2000. Effect of hibernation and reproductive status on body mass condition of coastal brown bears. Journal of Wildlife Management 64:178-183.
16. Kordek, W. S., and J. S. Lindzey. 1980. Preliminary analysis of female reproductive tracts from Pennsylvania black bears. International Conference on Bear Research and Management 4:159-161.
17. Lundberg, D. A., R. A. Nelson, H. W. Wahner, and J. D. Jones. 1976. Protein metabolism in the black bear before and during hibernation. Mayo Clinic Proceedings 51:716-722.
18. Maxwell, R. K., J. Thorkelson, L. Rogers, and R. B. Brander. 1988. The field energetics of winter-dormant black bears (Ursus americanus) in northern Minnesota. Canadian Journal of Zoology 66:2095-2103.
19. Mrosovsky, N., and T. L. Powley. 1977. Set point for body weight and fat. Behavioral Biology 20:205-223.
20. Nelson, R. A. 1973. Winter sleep in the black bear: A physiological and metabolic marvel. Mayo Clinic Proceedings 48:733-737.
21. Nelson, R. A. 1980. Protein and fat metabolism in hibernating bears. Federation Proceedings 39:2955-2958.
22. Nelson, R. A., G. E. Folk, Jr., E. W. Pfeiffer, J. J. Craighead, C. J. Jonkel, and D. L. Steiger. 1983. Behavior, biochemistry and hibernation in black, grizzly and polar bears. International Conference on Bear Research and Management 5:284-290.
23. Nelson, R. A., H. W. Wahner, J. D. Jones, R. D. Ellefson, and P. E. Zollman. 1973. Metabolism of bears before, during, and after winter sleep. American Journal of Physiology 224:491-496.
24. Oftedal, O. T. 2000. Use of maternal reserves as a lactation strategy in large animals. Proceedings of the Nutrition Society 59:99-106.
25. Oftedal, O. T., G. L. Alt, E. M. Widdowson, and M. R. Jakubasz. 1993. Nutrition and growth of suckling black bears (Ursus americanus) during their mother's winter fast. British Journal of Nutrition 70:59-79.
26. Ramsay, M. A., and R. L. Dunbrack. 1986. Physiological constraints of life history phenomena: The example of small bear cubs at birth. American Naturalist 127:735-743.
27. Samson, C., and J. Huot. 1995. Reproductive biology of female black bears in relation to body mass in early winter. Journal of Mammalogy 76:68-77.
28. Tietje, W. D., and R. L. Ruff. 1980. Denning behavior of black bears in boreal forests of Alberta. Journal of Wildlife Management 44:858-870.
29. Tinker, D. B., H. J. Harlow, and T. D. I. Beck. 1998. Protein use and muscle-fiber changes in free-ranging, hibernating black bears. Physiological Zoology 71:414-424.
30. Watts, P D. 1990. Comparative weight loss in three species of ursids under simulated denning conditions. International Conference on Bear Research and Management 8:139-141.
31. Yacco, M. E. 1983. Maintenance of the pectoralis muscle during hibernation in the big brown bat, Eptesicus fuscus. Journal of Comparative Physiology 152:97-104.