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Evaluation of the response to buserelin administered 24 hours prior to artificial insemination in Sarda ewe: follicular dynamics after ovulation

Marongiu, Maria Laura and Branca, Andrea and Floris, Basilio Remo and Gallus, Marilia (2001) Evaluation of the response to buserelin administered 24 hours prior to artificial insemination in Sarda ewe: follicular dynamics after ovulation. Biotechnologie, agronomie, société et environnement, Vol. 5 (no spécial), p. 84-85. eISSN 1780-4507. Article.

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Abstract

Failure of fertilization and embryo loss during early gestation are major determinants of reproductive efficiency in Sarda ewe. A number of studies have demonstrated that treatment with the GnRH analogue buserelin on day 12 post insemination reduces embryo mortality in cattle and sheep. In response to this treatment, large ovarian follicles (LF) and circulating oestrogens are supposed to decrease; the resulting elevation in progesterone secretion, due to the increased number of active corpora lutea (CL), should facilitate embryo implantation. The aim of this research was to investigate the ovarian effect of buserelin adminstered 24 h prior to A.I. in Sarda ewe.

Item Type:Article
ID Code:5261
Status:Published
Refereed:Yes
Uncontrolled Keywords:Buserelin, ewe, corpora lutea, large follicles
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/20 Zoocolture
Area 07 - Scienze agrarie e veterinarie > VET/02 Fisiologia veterinaria
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze zootecniche
002 Altri enti e centri di ricerca del Nord Sardegna > Istituto zootecnico e caseario per la Sardegna, Olmedo
001 Università di Sassari > 01 Dipartimenti > Biologia animale
Publisher:Presses agronomiques de Gembloux
eISSN:1780-4507
Copyright Holders:© Bibliothèque des Sciences agronomiques - ULg
Publisher Policy:Depositato in conformità con la politica di copyright dell'Editore
Additional Information:Poster presented at the 4th Conference on farm animal endocrinology, October 2001, Parma, Italy.
Deposited On:20 Dec 2010 09:45

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