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Type: Journal article
Title: Ovarian follicular superstimulation and oocyte maturation in the anoestrous southern hairy-nosed wombat, Lasiorhinus latifrons
Author: Druery, G.
Shimmin, G.
Taggart, D.
Temple-Smith, P.
Breed, W.
McDonald, C.
Finlayson, G.
Paris, M.
Citation: Animal Reproduction Science, 2007; 99(3-4):363-376
Publisher: Elsevier Science BV
Issue Date: 2007
ISSN: 0378-4320
Statement of
G.V. Druery, G.A. Shimmin, D.A. Taggart, P.D. Temple-Smith, W.G. Breed, C.H. McDonald, G.R. Finlayson and M.C.J. Paris
Abstract: This study investigates the effect of three exogenous gonadotrophin regimens on ovarian follicular development in southern hairy-nosed wombats during the non-breeding season. Females were given either porcine follicle stimulating hormone (pFSH; total of 200 mg at 12 h intervals over 7 (Group 1), or 4 days (Group 2)), or pregnant mares' serum gonadotrophin (PMSG; single dose of 150 I.U. (Group 3)). In all treatment groups 25 mg of porcine luteinising hormone (pLH) was used to trigger maturation; Groups 1 and 2 received pLH 12 h after the final pFSH injection and Group 3 received pLH 72 h after PMSG. The results showed Group 1 produced significantly more follicles per ovary (5.91+/-1.28) than Group 2 (1.67+/-0.62), or Group 3 (2.17+/-1.16) at p<0.05. Control females received saline injections concurrently with the three treatment groups (n=6; 2 control animals for each treatment group). No follicular development occurred in any control female. Analysis of oocyte nuclear status revealed that while oocytes from all three treatment groups had resumed meiosis, only those in Group 1 (7-day pFSH/pLH treatment) progressed to metaphase II. These results have implications for the development of assisted breeding strategies in this species.
Keywords: Anestrus
Follicle Stimulating Hormone
Gonadotropins, Equine
Luteinizing Hormone
Ovarian Follicle
Description: Copyright © 2006 Elsevier B.V. All rights reserved.
DOI: 10.1016/j.anireprosci.2006.06.011
Appears in Collections:Anatomical Sciences publications
Aurora harvest
Environment Institute publications

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