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The aim of this study was to evaluated changes in endometrial vascularization area (EVA) between the left and right uterine horn: a) during the ovarian follicular growth in intact llamas, and b) after exogenous estradiol administration of estradiol benzoate in ovariectomized (OVX) llamas. In expe...


Silva Jiménez, MauricioUrra, FelipeRatto, Marcelo[Uterine endometrial vascularitazion during ovarian folicular growth in llamas: The effect of estradiol plasma concentration]Uterine endometrial vascularitazion during ovarian folicular growth in llamas: The effect of estradiol plasma concentration
Buecher, D. D.Castro, M. A.Silva Jiménez, MauricioBerland Olea, MarcoConcha, I. I.Ratto, Marcelo[GRANULOCYTE-MACROPHAGE COLONY STIMULATNG FACTOR (GM-CSF) ENHANCES CUMULUS CELLS EXPANSION OF IN VITRO-MATURED BOVINE CUMULUS-OOCYTE COMPLEXES IN A CHEMICALLY DEFINED MEDIUM]GRANULOCYTE-MACROPHAGE COLONY STIMULATNG FACTOR (GM-CSF) ENHANCES CUMULUS CELLS EXPANSION OF IN VITRO-MATURED BOVINE CUMULUS-OOCYTE COMPLEXES IN A CHEMICALLY DEFINED MEDIUM

The aim of this study was to evaluated changes in endometrial vascularization area (EVA) between the left and right uterine horn: a) during the ovarian follicular growth in intact llamas, and b) after exogenous estradiol administration of estradiol benzoate in ovariectomized (OVX) llamas. In expe...


Silva Jiménez, MauricioUrra, FelipeRatto, Marcelo[Uterine endometrial vascularization during ovarian follicular growth in llamas: The effect of estradiol plasma concentration]Uterine endometrial vascularization during ovarian follicular growth in llamas: The effect of estradiol plasma concentration

Ovulation-inducing factor (OIF) is a protein present in llama seminal plasma that has recently been identified as beta-Nerve Growth Factor (NGF) and it induces not only a high rate of ovulation but also appears to have luteotrophic properties in this species. A 2-by-2 experimental design was used...


Silva Jiménez, MauricioUlloa Leal, C.Norambuena, C.Fernandez, A.Adams, G. P.Ratto, Marcelo[Ovulation-inducing factor (OIF/NGF) from seminal plasma origin enhances Corpus Luteum function in llamas regardless the preovulatory follicle diameter]Ovulation-inducing factor (OIF/NGF) from seminal plasma origin enhances Corpus Luteum function in llamas regardless the preovulatory follicle diameter
Zapata, J.Fernandez, F.Berland Olea, MarcoColazo, M.Peralta, O.Felmer, R.Ratto, Marcelo[EFFECT OF SYNTHETIC OVIDUCT FLUID MEDIUM (SOF) v. OPTIMIZED SIMPLE POTASSIUM MEDIUM (KSOM) ON EMBRYO DEVELOPMENT OF IN VITRO-FERTILIZED BOVINE OOCYTES]EFFECT OF SYNTHETIC OVIDUCT FLUID MEDIUM (SOF) v. OPTIMIZED SIMPLE POTASSIUM MEDIUM (KSOM) ON EMBRYO DEVELOPMENT OF IN VITRO-FERTILIZED BOVINE OOCYTES

The objective of the study was to compare the pituitary and ovarian responses after intramuscular, intravenous, or intrauterine administration of P-nerve growth factor (beta-NGF) of seminal plasma origin (SP-NGF) in llamas. In experiment 1, mature female llamas with a growing follicle of 7 mm or ...


Silva Jiménez, MauricioFernandez, A.Ulloa Leal, C.Adams, G. P.Berland Olea, MarcoRatto, Marcelo[LH release and ovulatory response after intramuscular, intravenous, and intrauterine administration of beta-nerve growth factor of seminal plasma origin in female llamas]LH release and ovulatory response after intramuscular, intravenous, and intrauterine administration of beta-nerve growth factor of seminal plasma origin in female llamas
Ruiz, J.Landeo, L.Mendoza, J.Artica, M.Correa, J. E.Silva Jiménez, MauricioMiragaya, M.Ratto, Marcelo[Vitrification of in vitro mature alpaca oocyte: Effect of ethylene glycol concentration and time of exposure in the equilibration and vitrification solutions]Vitrification of in vitro mature alpaca oocyte: Effect of ethylene glycol concentration and time of exposure in the equilibration and vitrification solutions
Silva Jiménez, MauricioLetelier, C.Dalmazo, P. F.Nino, M. A.Ratto, Marcelo[THE EFFECT OF TREATMENT WITH VARIOUS DOSES OF A SYNTHETIC GONADOTROPIN-RELEASING HORMONE ON INDUCTION OF OVULATION IN LLAMAS]THE EFFECT OF TREATMENT WITH VARIOUS DOSES OF A SYNTHETIC GONADOTROPIN-RELEASING HORMONE ON INDUCTION OF OVULATION IN LLAMAS

Contents The aim of this study was to compare the effect of the intramuscular administration of 50g of gonadorelin acetate versus natural mating, intrauterine infusion (i.u.) of a physiological relevant dose of either raw llama seminal plasma (SP) or purified beta-nerve growth factor from seminal...


Silva Jiménez, MauricioUrra, F.Ulloa-Leal, C.Ratto, Marcelo[A comparative study of the effects of intramuscular administration of gonadorelin, mating and intrauterine infusion of either raw seminal plasma or seminal plasma purified -NGF on luteal development in llamas]A comparative study of the effects of intramuscular administration of gonadorelin, mating and intrauterine infusion of either raw seminal plasma or seminal plasma purified -NGF on luteal development in llamas

The objectives of this study were (1) to determine the effect of rabbit seminal plasma on LH secretion and ovulation using the llama animal model as an in vivo ovulation bioassay and (2) to determine the effect of llama or rabbit seminal plasma on ovulation induction in the rabbit model. In Exper...


Silva Jiménez, MauricioNino, A.Guerra, M.Letelier, C.Valderrama, X. P.Adams, G. P.Ratto, Marcelo[Is an ovulation-inducing factor (OIF) present in the seminal plasma of rabbits?]Is an ovulation-inducing factor (OIF) present in the seminal plasma of rabbits?

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