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INFLUENCE OF AGE, STIMULATION BY PMSG OR FLUSHING ON THE OVARIAN RESPONSE TO LHRHa IN YOUNG RABBIT FEMALES

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INFLUENCE OF AGE, STIMULATION BY PMSG OR FLUSHING ON THE OVARIAN RESPONSE TO LHRHa IN YOUNG RABBIT FEMALES

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dc.contributor.author Gosalvez, L.F.
dc.contributor.author Alvariño, J.M.R.
dc.contributor.author Diaz, P.
dc.contributor.author Tor, M.
dc.date.accessioned 2011-03-23T11:20:43Z
dc.date.available 2011-03-23T11:20:43Z
dc.date.issued 1994
dc.identifier.issn 1257-5011
dc.identifier.uri http://hdl.handle.net/10251/10543
dc.description.abstract [EN] Fifty young Californian rabbit females have been used to study the effect of age (14 or 17 weeks) and ovarian stimulation (nutritional flushing or PMSG) on the ovarian response to LHRHa injection. Stimulation by nutritional flushing showed, in the 14 and 17 week-old animals, a positive effect on live weight after 8 days, ovulation rate was satisfactory in females aged 17 weeks but not in the 14 week-old group, nevertheless 14 weeks old does showed an increase in the number of follicles larger than 0.6 mm (P<0.05). Stimulation by PMSG (100 IU) provoked a six folds increase in the number of follicles larger than 0.6 mm (90.6 vs 15.1; P<0.001), but failed to in crease the proportion of ovulating females, thus suggesting that a too high dose had been used. These results indicate that introduction of rabbit females to reproduction can be advanced to 17 week-old, provided that previous ovarian stimulation by nutritional flushing is done es_ES
dc.description.abstract [FR] Cinquante jeunes tapines de race californienne ont été utilisées pour étudier l'effet de l'age (14 et 17 semaines) et de la stimulation ovarienne (par suralimentation ou PMSG) sur la réponse de l'ovaire a l'injection de LHRHa. La stimulation par suralimentation pour les animaux agés de 14 ou 17 semaines a un effet positif sur le poids vif, apres B jours ; le taux d'ovulation était satisfaisant pour les feme/les agées de 17 semaines mais pas pour ce/les agées de 14 semaines, bien que les feme/les agées de 14 semaines montraient une augmentation du nombre de follicules d'une taille supérieure a 0,6 mm (P<0.05). La stimulation par PMSG (100 U./.) multipliait par 6 le nombre de follicules de taille superieure a 0.6 mm (90.6vs 15.1; P<0.001) mais n'augmentait pas le nombre de feme/les qui ovulaient, ce qui laisse a penser que la dose utilisée était trop élevée. Ces résultats montrent que l'age de la reproduction pour les tapines peut etre avancé a 17 semaines a condition que la stimulation ovarienne ait été provoquée par une suralimentation.
dc.description.sponsorship This work has been partially supported by the CICYT project GAN89-0127
dc.language Inglés es_ES
dc.publisher World Rabbit Science. ICTA. UPV es_ES
dc.relation.ispartof World Rabbit Science
dc.rights Reserva de todos los derechos es_ES
dc.title INFLUENCE OF AGE, STIMULATION BY PMSG OR FLUSHING ON THE OVARIAN RESPONSE TO LHRHa IN YOUNG RABBIT FEMALES es_ES
dc.type Artículo es_ES
dc.date.updated 2011-03-23T11:09:54Z
dc.identifier.doi 10.4995/wrs.1994.216
dc.relation.projectID info:eu-repo/grantAgreement/MEC//GAN89-0127/
dc.rights.accessRights Abierto es_ES
dc.description.bibliographicCitation Gosalvez, L.; Alvariño, J.; Diaz, P.; Tor, M. (1994). INFLUENCE OF AGE, STIMULATION BY PMSG OR FLUSHING ON THE OVARIAN RESPONSE TO LHRHa IN YOUNG RABBIT FEMALES. World Rabbit Science. 2(2):41-45. https://doi.org/10.4995/wrs.1994.216 es_ES
dc.description.accrualMethod SWORD es_ES
dc.relation.publisherversion https://doi.org/10.4995/wrs.1994.216
dc.description.upvformatpinicio 41
dc.description.upvformatpfin 45
dc.description.volume 2
dc.description.issue 2
dc.identifier.eissn 1989-8886 es_ES
dc.contributor.funder Ministerio de Educación y Ciencia


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