Anuran gender identification by fecal steroid analysis

Zoo Biology

Volumn 25, Issue 1, 2006, Pages 35-46

  Szymanski, D C ^a,b   Gist, Daniel H ^a   Roth, T L ^b  

^a UNIVERSITY OF CINCINNATI   (United States)

^b Cincinnati Zoo and Botanical Garden   (United States)

Author keywords

Amphibians; Estrogen; Gender determination; Hormone; Progesterone; Testosterone; Toads

Indexed keywords

AMPHIBIA; ANURA; BUFO AMERICANUS; BUFO BOREAS BOREAS; MAMMALIA;

EID: 33645340597     PISSN: 07333188     EISSN: 10982361     Source Type: Journal    
DOI: 10.1002/zoo.20077     Document Type: Article

References (23)

1. Atkins N, Jones SM, Edwards A. 2002. Fecal testosterone concentrations may not be useful for monitoring reproductive status in male blue-tongued lizards (Tiliqua nigrolutea: Scincidae). J Herpetol 36:106-9.
2. Bamberg E, Mostl E, Patzl M, King GJ. 1991. Pregnancy diagnosis by enzyme immunoassay of estrogens in feces from nondomestic species. J Zoo Wildlife Med 22:73-7.
3. Bercovitz AB, Czekala NM, Lasley BL. 1978. A new method of sex determination in monomorphic birds. J Zoo An Med 9:114-24.
4. Blaustein AR, Wake DB, Sousa BP. 1993. Amphibian declines: judging stability, persistence, and susceptibility of populations to local and global extinctions. Conserv Biol 8:60-71.
5. Canosa LF, Ceballos NR. 2002. Seasonal changes in testicular steroidogenesis in the toad, Bufo arenarum. H Gen Comp Endocrinol 125: 426-34.
6. Delgado MJ, Gutierrez P, Alonso-Bedate M. 1989. Seasonal cycles in testicular activity in the frog, Rana Perezi. Gen Comp Endocrinol 73:1-11.
7. Goymann W, Mostl E, Van't Hof T, East ML, Hofer H. 1999. Noninvasive fecal monitoring of glucocorticoids in spotted hyenas, Crocuta crocuta. Gen Comp Endocrinol 114:340-8.
8. Gudermuth DF, Concannon PW, Daels PF, Lasley BL. 1998. Pregnancy-specific elevations in fecal concentrations of estradiol, testosterone and progesterone in the domestic dog (Canis familiaris). Theriogenology 50:237-48.
9. Hayes TB. 1998. Sex determination and primary sex differentiation in amphibians: genetic and developmental mechanisms. J Exp Zool 281: 373-99.
10. Hirschenhauser K, Mostl E, Peczely P, Wallner B, Dittami J, Kotrschal K. 2000. Seasonal relationships between plasma and fecal testosterone in response to GnRH in domestic ganders. Gen Comp Endocrinol 118: 262-72.
11. Kime DE, Hews EA. 1978. Androgen biosynthesis in vitro by testes from amphibia. Gen Comp Endocrinol 111:347-58.
12. Kubokawa K, Ishii S, Tajima H, Saitou K, Tanabe K. 1992. Analysis of sex steroids in feces of giant pandas. Zoolog Sci 9:1017-23.
13. Lasley BL, Kirkpatrick JF. 1991. Monitoring ovarian function in captive and free-ranging wildlife by means of urinary and fecal steroids. J Zoo Wildlife Med 22:23-31.
14. Lynch JW, Khan MZ, Altmann J, Mjahira MN, Rubenstein N. 2003. Concentrations of four fecal steroids in wild baboons: short-term storage conditions and consequences for data interpretation. Gen Comp Endocrinol 132:264-71.
15. Millspaugh JJ, Washburn BE. 2003. Within-sample variation of fecal glucocorticoid measurements. Gen Comp Endocrinol 132:21-6.
16. Munro C, Stabenfeldt G. 1984. Development of a microtitre plate enzyme immunoassay for the determination of progesterone. J Endocrinol 101: 41-9.
17. Pechmann JHK, Wilbur HM. 1994. Putting declining amphibian populations in perspective: natural fluctuations and human impacts. Herpetologica 50:65-84.
18. Roth TL, Obringer AR. 2003. Reproductive research and the worldwide amphibian extinction crisis. In: Holt WV, Pickard AR, Rodger JC, Wildt DE, editors. Conservation biology, series 8: reproductive science and integrated conservation. Edinburgh: Cambridge University Press, p 359-74.
19. Rowson AD, Obringer AR, Roth TL. 2001. Noninvasive treatments of leuteinizing hormone releasing hormone for inducing spermiation in American (Bufo americanus) and Gulf Coast (Bufo valliceps) toads. Zoo Biol 20:63-74.
20. Shille VM, Haggarty MA, Shackleton C, Lasley BL. 1990. Metabolites of estradiol in serum, bile, intestine and feces of the domestic cat (Felis catus). Theriogenology 34:779-95.
21. Velloso AL, Wasser SK, Monfort SL, Dietz JM. 1998. Longitudinal fecal steroid excretion in maned wolves (Chrysocyon brachyurus). Gen Comp Endocrinol 112:96-107.
22. Wasser SK, Monfort SL, Southers J, Wildt DE. 1994. Excretion rates and metabolites of oestradiol and progesterone in baboon (Papio cynocephalus cynocephalus) faeces. J Repro Fertil 101:213-20.
23. Young BE, Lips KR, Reaser JK, Ibáñez R, Salas AW, Cedeño JR, Coloma LA, Ron S, La Marca E, Meyer JR, Muñoz A, Bolaños F, Chaves G, Romo D. 2000. Population declines and priorities for amphibian conservation in Latin America. Conserv Bio 15:1213-23.