Search Results - "DRIANCOURT, M. A"

Regulation of folliculogenesis and the determination of ovulation rate in ruminants by Scaramuzzi, R J, Baird, D T, Campbell, B K, Driancourt, M-A, Dupont, J, Fortune, J E, Gilchrist, R B, Martin, G B, McNatty, K P, McNeilly, A S, Monget, P, Monniaux, D, Viñoles, C, Webb, R

“…The paper presents an update of our 1993 model of ovarian follicular development in ruminants, based on knowledge gained from the past 15 years of research…”
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Ovsynch synchronization and fixed-time insemination in goats by Holtz, W., Sohnrey, B., Gerland, M., Driancourt, M.-A.

“…This study assessed the efficacy of an Ovsynch protocol (vs. the classical cronolone containing vaginal sponge + eCG treatment) to generate fixed-time…”
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Regulation of ovarian follicular dynamics in farm animals. Implications for manipulation of reproduction by Driancourt, M.A.

“…In this review, the main features of folliculogenesis are summarized and compared among species. In the past few years, ultrasonography has clarified follicle…”
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Orthotopic and heterotopic autografts of frozen–thawed ovarian cortex in sheep by Aubard, Y., Piver, P., Cognié, Y., Fermeaux, V., Poulin, N., Driancourt, M.A.

“…Freezing ovarian cortex is a new option to preserve the fertility of young patients undergoing cancer treatment or in women facing premature menopause…”
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Follicle size and reproductive hormone profiles during a post-weaning altrenogest treatment in primiparous sows by van Leeuwen, J J J, Martens, M R T M, Jourquin, J, Driancourt, M A, Wagner, A, Kemp, B, Soede, N M

“…This study investigated the endocrine background of follicle size changes during post-weaning altrenogest treatment. altrenogest-treated sows received a 20-mg…”
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effect of different postweaning altrenogest treatments of primiparous sows on follicular development, pregnancy rates, and litter sizes by van Leeuwen, J.J.J, Williams, S.I, Martens, M.R.T.M, Jourquin, J, Driancourt, M.A, Kemp, B, Soede, N.M

“…This study investigated follicular development during and after postweaning altrenogest treatment of primiparous sows in relation to subsequent reproductive…”
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Effects of altrenogest treatments before and after weaning on follicular development, farrowing rate, and litter size in sows by VAN LEEUWEN, J. J. J, MARTENS, M. R. T. M, JOURQUIN, J, DRIANCOURT, M. A, KEMP, B, SOEDE, N. M

“…In a previous study, we showed that follicle size at weaning affects the response of a sow to a short-term altrenogest treatment after weaning. In this study,…”
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Induction of a Secondary Corpus Luteum on Day 12 Post‐Ovulation can Delay the Time of Luteolysis in High‐Producing Holstein Cows by Saint‐Dizier, M, Legendre, A‐C, Driancourt, M‐A, Chastant‐Maillard, S

“…Luteolysis before the time of maternal recognition of pregnancy is one cause of low fertility in high‐producing dairy cows. The objective of this study was to…”
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Controlled Delivery of a GnRH Agonist by a Silastic Implant (Gonazon) Results in Long-Term Contraception in Queens by Rubion, S, Driancourt, MA

“…Many female cats are spayed to prevent problems associated with calling and unwanted pregnancies. This study describes the safety and efficacy of an…”
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Effects of altrenogest treatments before and after weaning on follicular development, farrowing rate, and litter size in sows1 by van Leeuwen, J. J. J., Martens, M. R. T. M., Jourquin, J., Driancourt, M. A., Kemp, B., Soede, N. M.

“…In a previous study, we showed that follicle size at weaning affects the response of a sow to a short-term altrenogest treatment after weaning. In this study,…”
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Oocyte attrition by Reynaud, K, Driancourt, M.A

“…During oogenesis, germ cell numbers sharply decrease when meiosis is initiated. There is solid evidence (DNA ladders, in situ detection) that this loss is…”
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Effect of hCG on Early Luteal Serum Progesterone Concentrations in PG600-Treated Gilts by Manjarin, R, Dominguez, JC, Castro, MJ, Alegre, B, Driancourt, MA, Kirkwood, RN

“…Gilt oestrus and ovulation responses to injection of a combination of equine chorionic gonadotrophin (eCG) and human chorionic gonadotrophin (hCG) (PG600) can…”
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Multiple Pituitary and Ovarian Defects in Krox-24 (NGFI-A, Egr-1)-Targeted Mice by Topilko, Piotr, Schneider-Maunoury, Sylvie, Levi, Giovanni, Trembleau, Alain, Gourdji, Danièle, Driancourt, Marc-Antoine, Rao, Ch. V, Charnay, Patrick

“…The zinc finger transcription factor Krox-24 (NGFI-A, Egr-1) is encoded by an immediate-early serum response gene expressed in various physiological situations…”
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Induction of an LH surge and ovulation by buserelin (as Receptal) allows breeding of weaned sows with a single fixed-time insemination by Driancourt, M.A., Cox, P., Rubion, S., Harnois-Milon, G., Kemp, B., Soede, N.M.

“…The aim of this study was to demonstrate successful breeding of sows with a single fixed-time insemination following ovulation induction by buserelin, a GnRH…”
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Efficacy of two types of vaginal sponges to control onset of oestrus, time of preovulatory LH peak and kidding rate in goats inseminated with variable numbers of spermatozoa by Leboeuf, B., Forgerit, Y., Bernelas, D., Pougnard, J.L., Senty, E., Driancourt, M.A.

“…In small ruminants, progestagen-impregnated vaginal devices (sponges) are useful tools to manage reproduction irrespective of season and to the application of…”
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Reproductive Features and Faecal Progesterone Metabolite Profile in Female Ferrets by Proháczik, A, Kulcsár, M, Glávits, R, Driancourt, MA, Huszenicza, Gy

“…Elevated post-partum progesterone metabolite (P₄-met) levels have been recently postulated to occur in lactating lynxes. The aims of this study were to monitor…”
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Alterations in ovarian function of mice with reduced amounts of KIT receptor by Reynaud, K, Cortvrindt, R, Smitz, J, Bernex, F, Panthier, JJ, Driancourt, MA

“…The KIT receptor, present on oocyte and theca cells in ovarian follicles, and its ligand, KIT LIGAND, produced by granulosa cells, are encoded at the Kit gene…”
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Endocrine and ovarian responses associated with the first-wave dominant follicle in cattle by Badinga, L, Driancourt, M.A, Savio, J.D, Wolfenson, D, Drost, M, De La Sota, R.L, Thatcher, W.W

“…To examine endocrine and biochemical differences between dominant and subordinate follicles and how the dominant follicle affects the…”
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Effects of Follicle-Stimulating Hormone With and Without Luteinizing Hormone on Serum Hormone Concentrations, Follicle Growth, and Intrafollicular Estradiol and Aromatase Activity in Gonadotropin-Releasing Hormone-Immunized Heifers by CROWE, M. A, KELLY, P, DRIANCOURT, M. A, BOLAND, M. P, ROCHE, J. F

“…To evaluate the roles of FSH and LH in follicular growth, GnRH-immunized anestrous heifers (n = 17) were randomly assigned (Day 0) to one of three groups (n =…”
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Seasonal effects on fertility and ovarian follicular growth and maturation in camels ( Camelus dromedarius) by Sghiri, A, Driancourt, M.A

“…Camels are said to be seasonal breeders, but the extent to which season interferes with food supply to affect ovarian function is not fully documented. Hence,…”
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