Seasonal effects on the endocrine pattern of semi-captive female Asian elephants (Elephas maximus): Timing of the anovulatory luteinizing hormone surge determines the length of the estrous cycle

Theriogenology

Volumn 69, Issue 2, 2008, Pages 237-244

  Thitaram, C ^a,b   Brown, J L ^c   Pongsopawijit, P ^a   Chansitthiwet, S ^d   Wongkalasin, W ^a   Daram, P ^a   Roongsri, R ^e   Kalmapijit, A ^e   Mahasawangkul, S ^d   Rojansthien, S ^a   Colenbrander, B ^b   van der Weijden, G C ^b   van Eerdenburg, F J C M ^b  

^a CHIANG MAI UNIVERSITY   (Thailand)

^b UTRECHT UNIVERSITY   (Netherlands)

^c SMITHSONIAN CONSERVATION BIOLOGY INSTITUTE   (United States)

^d FOREST INDUSTRY ORGANIZATION   (Thailand)

^e Maesa Elephant Camp   (Thailand)

Author keywords

Asian elephant; Estrous cycle; Lutenizing hormone; Progestins; Seasonal effect

Indexed keywords

GESTAGEN; LUTEINIZING HORMONE;

ANIMAL; ARTICLE; BLOOD; ELEPHANT; ENVIRONMENTAL PROTECTION; ESTRUS CYCLE; FEMALE; NONPARAMETRIC TEST; PHYSIOLOGY; SEASON; THAILAND; TROPIC CLIMATE;

ANIMALS; CONSERVATION OF NATURAL RESOURCES; ELEPHANTS; ESTROUS CYCLE; FEMALE; LUTEINIZING HORMONE; PROGESTINS; SEASONS; STATISTICS, NONPARAMETRIC; THAILAND; TROPICAL CLIMATE;

ELEPHANTIDAE; ELEPHAS MAXIMUS;

EID: 37349076970     PISSN: 0093691X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.theriogenology.2007.09.018     Document Type: Article

References (34)

1. Sukumar R. A brief review of the status, distribution and biology of wild Asian elephants Elephas maximus. Int Zoo Yb 40 (2006) 1-8
2. Hildebrandt T.B., Goeritz F., Hermes R., Reid C., Dehnhard M., and Brown J.L. Aspects of the reproductive biology and breeding management of Asian and African elephants: Elephas maximus and Loxodonta africana. Int Zoo Yb 40 (2006) 20-40
3. Brown J.L. Reproductive endocrine monitoring of elephants: an essential tool for assisting captive management. Zoo Biol 15 (2000) 347-367
4. Hodges J.K. Endocrinology of the ovarian cycle and pregnancy in the Asian (Elephas maximus) and African (Loxodonta africana) elephant. Anim Reprod Sci 53 (1998) 3-18
5. Brown J.L., Schmitt D.L., Bellem A., Graham L.H., and Lehnhardt J. Hormone secretion in the Asian elephant (Elephas maximus): characterization of ovulatory and anovulatory luteinizing hormone surges. Biol Reprod 61 (1999) 1294-1299
6. Brown J.L., Citino S.B., Bush M., Lehnhardt J., and Phillips L.G. Cyclic patterns of luteinizing hormone, follicle-stimulating hormone, inhibin and progesterone secretion in the Asian elephant (Elephas maximus). J Zoo Wildl Med 22 (1991) 49-57
7. Brown J.L., and Lehnhardt J. Serum and urinary hormones during pregnancy and the peri- and postpartum period in an Asian elephant (Elephas maximus). Zoo Biol 14 (1995) 555-564
8. Dehnhard M., Heistermann M., Goritz F., Hermes R., Hildebrandt T., and Haber H. Demonstration of 2-unsaturated C19-steroids in the urine of female Asian elephants, Elephas maximus, and their dependence on ovarian activity. Reproduction 121 (2001) 475-484
9. Hess D.L., Schmidt A.M., and Schmidt M.J. Reproductive cycle of the Asian elephant (Elephas maximus) in captivity. Biol Reprod 28 (1983) 767-773
10. Olsen J.H., Chen C.L., Boules M.M., Morris L.S., and Coville B.R. Determination of reproductive cyclicity and pregnancy in Asian elephants (Elephas maximus) by rapid radioimmunoassay of serum progesterone. J Zoo Wildl Med 25 (1994) 349-354
11. Plotka E.D., Seal U.S., Zarembka F.R., Simmons L.G., Teare A., Phillips L.G., et al. Ovarian function in the elephant: luteinizing hormone and progesterone cycles in African and Asian elephants. Biol Reprod 38 (1988) 309-314
12. Wittemyer G., Ganswindt A., and Hodges K. The impact of ecological variability on the reproductive endocrinology of wild female African elephants. Horm Behav 51 (2007) 346-354
13. Wemmer C., Krishnamurthy V., Shrestha S., Hayek L.A., Thant M., and Nanjappa K.A. Assessment of body condition in Asian elephants (Elephas maximus). Zoo Biol 25 (2006) 187-200
14. Brown J.L., Goritz F., Pratt-Hawkes N., Hermes R., Galloway M., Graham L.H., et al. Successful artificial insemination of an Asian elephant at the National Zoological Park. Zoo Biol 23 (2004) 45-63
15. Thitaram C., Pongsopawijit P., Thongtip N., Angkavanich T., Chansittivej S., Wongkalasin W., et al. Dystocia following prolonged retention of a dead fetus in an Asian elephant (Elephas maximus). Theriogenology 66 (2006) 1284-1291
16. Munro C., and Stabenfeldt G. Development of a microtitre plate enzyme immunoassay for the determination of progesterone. J Endocrinol 101 (1984) 41-49
17. Graham L.H., Bolling J., Miller G., Pratt-Hawkes N., and Joseph S. Enzyme-immunoassay for the measurement of luteinizing hormone in the serum of African elephants (Loxodonta africana). Zoo Biol 21 (2002) 403-408
18. Heistermann M., Trohorsch B., and Hodges J.K. Assessment of ovarian function in the African elephant (Loxodonta africana) by measurement of 5a-reduced progesterone metabolites in serum and urine. Zoo Biol 16 (1997) 273-284
19. Steadman R.G. The assessment of sultriness. Part I. A temperature-humidity index based on human physiology and clothing science. J Appl Meteorol 18 (1979) 861-873
20. Kapustin N., Critser J.K., Olson D., and Malven P.V. Nonluteal estrous cycles of 3-week duration are initiated by anovulatory luteinizing hormone peaks in African elephants. Biol Reprod 55 (1996) 1147-1154
21. Tilbrook A.J., Turner A.I., and Clarke I.J. Effects of stress on reproduction in non-rodent mammals: the role of glucocorticoids and sex differences. Rev Reprod 5 (2000) 105-113
22. Ferin M. Stress and the reproductive cycle. J Clin Endocrinol Metab 84 (1999) 1768-1774
23. Schulte B.A., Feldman E., Lambert R., Oliver R., and Oliver R. Temporary ovarian inactivity in elephants: relationship to status and time outside. Physiol Behav 71 (2000) 123-131
24. Younas M., Fuquay J.W., Smith J.A.E., and Moore A.B. Estrous and endocrine responses of lactating Holsteins to forced ventilation during summer. J Dairy Sci 76 (1993) 430-436
25. Stobel D.P., and Moberg G.P. Effect of adrenocorticotropin and cortisol on luteinizing hormone surge and estrous behavior of cows. J Dairy Sci 65 (1982) 1016-1024
26. Foley C.A.H., Papageorge S., and Wasser S.K. Noninvasive stress and reproductive measures of social and ecological pressure in free-ranging African elephants. Conserv Biol 15 (2001) 1134-1142
27. Pryor P., and Tibary A. Management of estrous in the performance mare. Clin Tech Equine Pract 4 (2005) 197-209
28. Adams G.P., and Bosu W.T.K. Reproductive physiology of the nonpregnant mare. Vet Clin North Am Equine Pract 4 (1988) 161-176 An overview and update
29. Wittemyer G., Rasmussen H.B., and Douglas-Hamilton I. Breeding phenology in relation to NDVI variability in free-ranging African elephant. Ecography 30 (2007) 42-50
30. Brannian J.D., Griffin F., Papkoff H., and Terranova P.F. Short and long phases of progesterone secretion during the oestrous cycle of the African elephant (Loxodonta africana). J Reprod Fertil 84 (1988) 357-365
31. Hermes R., Olson D., Göritz F., Brown J.L., Schmitt D.L., Hagan D., et al. Ultrasonography of the estrous cycle in female African elephants (Loxodonta africana). Zoo Biol 19 (2000) 369-382
32. Czekala N.M., MacDonald E.A., Steinman K., Walker S., Garrigues N.W., and Olson D. Estrogen and LH dynamics during the follicular phase of the estrous cycle in the Asian elephant. Zoo Biol 22 (2003) 443-454
33. Brown J.L., Hildebrandt T.B., Theison W., and Neiffer D.L. Endocrine and ultrasound evaluation of a non-cycling African elephant: identification of an ovarian follicular cyst. Zoo Biol 18 (1999) 223-232
34. Rasmussen L.E., Lazar J., and Greenwood D.R. Olfactory adventures of elephantine pheromones. Biochem Soc Trans 31 (2003) 137-141