Hormonal induction of spermiation, courting behavior and spawning in the southern bell frog, Litoria raniformis

Zoo Biology - Tập 29 Số 6 - Trang 774-782 - 2010
Reinier M. Mann1, Ross V. Hyne2, Catherine B. Choung3
1Centre for Ecotoxicology, Department of Environmental Sciences, University of Technology, Sydney, NSW, Australia
2Department of Environment, Climate Change and Water, Centre for Ecotoxicology, Lidcombe, NSW, Australia
3Department of Biological Sciences and Physical Geography, Macquarie University, NSW, Australia

Tóm tắt

AbstractWe trialled the efficacy of various exogenous hormones to induce spermiation, courtship behavior, and spawning in the “endangered” southern bell frog, Litoria raniformis. Intralymphatic administration of Lucrin®, a synthetic nonapeptide luteinizing hormone releasing hormone (LHRH), was used successfully to induce courting behaviors and ejaculation of spermatozoa in males. Various hormones, including Lucrin®, another synthetic LHRH analog ([des‐Gly10, D‐Ala6]‐LHRH), human chorionic gonadotropin, progesterone, and a dopamine receptor antagonist failed to promote oviposition and spawning in females. This and earlier studies indicate that in the efficacy of hormonal induction in amphibians varies between taxa, hormones, and genders. The lack of response in females may limit the use of reproduction technology in the southern bell frog and closely related species of Australian bell frogs. Zoo Biol 29:774–782, 2010. © 2010 Wiley‐Liss, Inc.

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Zoo Biology

Tập 29 Số 6

774-782

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