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Marcelo Hector Ratto Fuster

Profesor titular

Universidad Austral de Chile

Valdivia, Chile

Hormonas cerebrales; Interacciones neuro-gliales; NeuropatologÃa hipofisiaria; Reproductive Physiology; Reproductive Endocrinology; Assisted Reproductive Technology

Reproduccion Animal, UNIVERSIDAD AUSTRAL DE CHILE. Chile, 1995
Medico Veterinario, UNIVERSIDAD DE CHILE. Chile, 1998
Reproduccion Animal, UNIVERSITY OF SASKATCHEWAN. Canada, 2005
Ginecologia, UNIVERSITY OF SASKATCHEWAN. Canada, 2007

Profesor Titular Full Time

UNIVERSIDAD AUSTRAL DE CHILE

Ciencias Veterinarias

Valdivia, Chile

2007 - At present
Profesor Auxiliar Full Time

UNIVERSIDAD CATOLICA DE TEMUCO

Recursos Naturales

Temuco, Chile

1995 - 2007


Doppler Ultrasound Indices and Fetal Biometry as Prenatal Markers of SGA or Non-SGA Developmental Trajectories in Naturally Nutrient-Restricted Sheep Pregnancies from Patagonia Marcelo Ratto Article ANIMALS (2026)
In vitro embryo production in alpacas (Lama pacos): Blastocyst development from oocytes vitrified by Microdrop or Cryotech technique Marcelo Ratto Article ISI CRYOBIOLOGY (2026)
Mechanical vaginal stimulation: Effects on estrous duration, follicular maturation, time of ovulation, and the luteinization process in ewes. Marcelo Ratto Article ISI SMALL RUMINANT RESEARCH (2026)
Repeated systemic β-NGF administration improves ejaculate characteristics in rams Marcelo Ratto Article ISI THERIOGENOLOGY (2026)
Systemic administration of β-NGF purified from llama seminal plasma: Effects on luteal function in anestrus ewes Marcelo Ratto Article ISI SMALL RUMINANT RESEARCH (2026)
Timed administration of llama-purified Beta-Nerve Growth Factor (βNGF) is associated with changes in steroidogenic and LH receptor gene expression in dairy heifers undergoing hormonal estrous synchronization treatme Marcelo H. Ratto, Article ISI JOURNAL OF REPRODUCTION AND DEVELOPMENT (2026)
A single injection of a long-acting oxytocin analog (carbetocin) at estrus onset synchronizes ovulations and enhances ovulation rate in ewes Bottino J.P.; Rodriguez, MGK; Santos, JDR; Vazquez M.; Ratto, M.; Ungerfeld R. Article ISI Theriogenology (2025)
Comparison Between Two Methodologies of Sample Preservation for RNA Extraction in Naturally Delivered Ovine Placenta Aranguiz, Florencia; Bahamonde, Javiera; Sales, Francisco; Araya, Matias; Ulloa-Leal, Cesar; Ratto, Marcelo; Sandoval, Camila Article ISI Animals (2025)
Effects of oral administration of native lactic acid bacteria with probiotic potential on productive parameters and meat quality of fattening guinea pigs (Cavia porcellus) Goicochea-Vargas, J; Salvatierra-Alor, M; Acosta-Pachorro, F; Rondón-Jorge, W; Cajacuri-Aquino, J; Herrera-Briceño, A; Morales-Parra, E; Mialhe, E; Silva, M.; Ratto, M. Article ISI Open Veterinary Journal (2025)
Metabolomic changes of uterine fluid of lactating cows with subclinical endometritis and treated with docosahexaenoic acid (DHA) Hidalgo M.A.; Hidalgo A.I.; Gutierrez, N; Burgos R.A.; Ratto, M. Article ISI Veterinary and Animal Science (2025)
Multiple mating enhances luteogenesis increasing corpus luteum perfusion area and progesterone production in ewes Bottino J.P.; Rodriguez, MGK; Ratto, M.; Ungerfeld R. Article ISI Animal Reproduction Science (2025)
Optimizing estrus synchronization in tropical hair sheep: ovarian responses and corpus luteum function following prostaglandin or progesterone-based treatments Ratto MH; Reyes-Delgado, A; Valderrama X.; Bergfelt, DR; Silva, M.; Chapwanya, A; Ungerfeld R. Article ISI Tropical Animal Health and Production (2025)
Proteomic profiling of 15-day post-mating preimplantation alpaca embryos reveals estradiol and cortisol pathway signatures Castro-Naser, XA; Buglio-Ballesteros, MG; Curie, JIP; Ratto MH; Argañaraz, ME Article ISI Theriogenology (2025)
Red LED Light Irradiation Increases the Resistance Against Environmental Stress of Frozen Bovine Sperm Thawed in Suboptimal Conditions Blanco-Prieto, O; Maside, C; Gruzmacher, A; Ortiz, M; Ratto, M.; Urra, FJ; Vera, T.; Strobel P.; Catalán, J.; Mislei, B; et al. Article ISI Animals (2025)
The Autocrine Impact of Nerve Growth Factor on Sheep Uterine Epithelial Cells Guelfi, G; Pasquariello, R; Dall'Aglio, C; Mercati F.; Suvieri, C; Conte, C; Capaccia, C; Ratto, M.; Maranesi M. Article ISI Cells (2025)
β-NGF and its receptors are present in ram sperm cells, but β-NGF was undetectable in seminal plasma Meilán, J; Carrasco R.; Ratto, M.; Ungerfeld R. Article ISI Reproduction, Fertility and Development (2025)
Effect of Brilliant cresyl blue (BCB) staining in oocyte's maturation and parthenogenetic activation in alpaca (Vicugna pacos) oocytes Vargas-Donayre, D; Bravo Z.; Zeña, H; Quispe, J; Levano, G; Ratto, M.; Miragaya, M; Castaneda-Zegarra, S; Valdivia M. Article ISI (2024)
Maternal-Fetal Blood Flow and Progesterone Concentration in Ewes Sheared at Mid or Late-Pregnancy Rodriguez, MGK; Bottino J.P.; Frisch, MJ; Ratto, M.; Neimaur, K; Cal-Pereyra, L; Freitas-De-Melo A.; Ungerfeld R. Article ISI (2024)
Physiological and clinical parameters under different protocols of total intravenous anesthesia in llama (Lama glama) undergoing unilateral ovariectomy Ratto Fuster, Marcelo Article ISI OPEN VETERINARY JOURNAL (2024)
Predictive characteristics of male fertility in alpacas with special reference to seminal NGF Carrasco R.A.; Bogle, OA; Ratto MH; Ulloa-Leal C.; Mamani-Cato, RH; Adams G.P. Article ISI (2024)
Uterus histomorphometry of alpacas (Vicugna pacos) in induced luteal phase, with GnRH or copulation. Marcelo Ratto-Fuster Article ISI OPEN VETERINARY JOURNAL (2024)
Administration of Beta-Nerve Growth Factor during the Preovulatory Stage Improves Endocrine and Luteal Function in Dairy Heifers Gajardo, Gonzalo; Valderrama, Ximena; Carrasco, Albert; Hidalgo, Alejandra Isabel; Silva, Mauricio E.; Palma, Patricio I.; Ratto, Marcelo H. Article ISI SCOPUS Animals (2023)
Characterization of proteases in the seminal plasma and spermatozoa of llama Sari L.; Castro-Gonzalez, X.; Apichela S.; Arganaraz, M. Article ISI SCOPUS Theriogenology (2023)
Is seminal nerve growth factor-induced luteinizing hormone release in camelids mediated at the hypothalamus? Carrasco, Rodrigo A.; Pezo, Sergio; Zwiefelhofer, Eric M.; Lanigan, Emily E.; Berland, Marco A.; Ratto, Marcelo H. Article ISI SCOPUS Reproduction (2023)
Ovulation Induced by Intrauterine Seminal Plasma Increases Total Protein, PGE2, IL-8, and IL-1β in Uterine Fluid of Llamas (Lama glama) Hidalgo, Alejandra Isabel; Carretta, Daniella; Ratto, Marcelo Article ISI SCOPUS Animals (2023)
Effect of follicle size on in vitro maturation in alpaca oocytes (Vicugna pacos) and the first ICSI in alpaca species Castro-Modesto, Tania; Mamani, Patricia; Pella, Ricardo; Bravo, Zeze; Villarreal-Ugarte, Stefanny; Cancho, Christian; Ratto, Marcelo H.; Valdivia, Martha Article ISI SCOPUS SMALL RUMINANT RESEARCH (2022)
Oocyte Quality, In Vitro Fertilization and Embryo Development of Alpaca Oocytes Collected by Ultrasound-Guided Follicular Aspiration or from Slaughterhouse Ovaries Landeo, Leandra; Zuniga, Michele; Gastelu, Teddy; Artica, Marino; Ruiz, Jaime; Silva, Mauricio; Ratto, Marcelo H. Article ISI SCOPUS ANIMALS (2022)
Seminal plasma nerve growth factor signaling on the reproductive physiology of female llamas Silva, Mauricio; Carrasco, Rodrigo; Ratto, Vicente; Ratto, Marcelo Article ISI SCOPUS ANIMAL REPRODUCTION (2022)
The ovulatory and luteotropic actions of the male-derived beta-nerve growth factor in South American camelids Silva, Mauricio; Carrasco, Rodrigo Article ISI SCOPUS ANIMAL FRONTIERS (2022)
Differential Effects of Estradiol on Reproductive Function in Camelids Carrasco, Rodrigo A.; Ratto, Marcelo H.; Adams, Gregg P. Article ISI SCOPUS Frontiers in Veterinary Science (2021)
Distribution of GnRH and Kisspeptin Immunoreactivity in the Female Llama Hypothalamus Berland, Marco; Alondra Santander, Lig; Hector Ratto, Marcelo Article ISI SCOPUS Frontiers in Veterinary Science (2021)
Effect of cat seminal plasma and purified llama ovulation-inducing factor (Î²-NGF) on ovarian function in queens NuÃƒÂ±ez Favre R.; GarcÃƒÂa M.F.; Ratto MH; Rearte R.; Stornelli M.C.; de la Sota R.L.; Stornelli M.A. Article SCOPUS THERIOGENOLOGY (2021)
Effect of two fertilization medium on the in vitro development of Creole bovine embryos Goicochea Vargas, Jose; Rondon Jorge, Wilson; Acosta Pachorro, Fidel; Gomez Marin, Yusep; Montalvo Martin, Magaly; Salvatierra Alor, Max; Martel Falcon, Jessica; Ballarte Zevallos, Oscar; Diaz Zegarra, Julio; Ratto Fuster, Marcelo Article ISI SCOPUS Revista de Investigaciones Veterinarias del Peru (2021)
Effects of NGF Addition on Llama (Lama glama) Sperm Traits After Cooling Zampini, Renato; Gonzalez del Pino, Francisco; Ratto, Marcelo H. Article ISI SCOPUS Frontiers in Veterinary Science (2021)
Heterologous beta-nerve growth factor (β-NGF) given at the LH surge enhances luteal function in dairy heifers Ratto, M. H. Article ISI SCOPUS DOMESTIC ANIMAL ENDOCRINOLOGY (2021)
Multiple matings modify the estrous length, the moment of ovulation, and the estradiol and LH patterns in ewes Bottino J.P.; PÃƒÂ©rez-Clariget R.; RodrÃƒÂguez M.G.K.; Ratto, M.; Ungerfeld R. Article SCOPUS Animal Reproduction (2021)
Neuroanatomical basis of the nerve growth factor ovulation-induction pathway in Ilamas Carrasco, Rodrigo A.; Singh, Jaswant; Ratto, Marcelo H. Article ISI SCOPUS Biology of Reproduction (2021)
New Insights Into the Role of beta-NGF/TrKA System in the Endometrium of Alpacas During Early Pregnancy Barraza, Daniela E.; Sari, Luciana M.; Apichela, Silvana A.; Ratto, Marcelo H.; Arganaraz, Martin E. Article ISI SCOPUS Frontiers in Veterinary Science (2021)
beta-NGF Stimulates Steroidogenic Enzyme and VEGFA Gene Expression, and Progesterone Secretion via ERK 1/2 Pathway in Primary Culture of Llama Granulosa Cells Valderrama, Ximena; Ratto, Marcelo Hector Article ISI SCOPUS Frontiers in Veterinary Science (2020)
Effect of Different Levels of Energy Diet Restriction on Energy Balance, Leptin and CL Development, Vascularization, and Function in South American Camelids Norambuena, Cecilia; Hernandez, Francisca; Alfaro, Jorge; Silva, Gonzalo; Topp, Shirley; Ratto, Marcelo Article ISI SCOPUS Frontiers in Veterinary Science (2020)
Effect of mating on mRNA and protein expression of beta nerve growth factor and its receptor, TrKA, in the oviduct of llama (<i>Lama glama</i>) Ratto, Marcelo H. Article ISI SCOPUS Molecular Reproduction and Development (2020)
Laterality of Ovulation and Presence of the Embryo Do Not Affect Uterine Horn Blood Flow During the First Month of Gestation in Llamas Ratto, Marcelo H.; Urra, Felipe; Silva, Mauricio Article ISI SCOPUS Frontiers in Veterinary Science (2020)
Ovulation mechanism in South American Camelids: The active role of beta-NGF as the chemical signal eliciting ovulation in llamas and alpacas Silva, Mauricio; Ratto, Marcelo H. Article ISI SCOPUS Theriogenology (2020)
Evaluation of the effect of mating, intrauterine deposition of raw seminal plasma or seminal plasma purified beta-NGF on endometrial vascularization in llamas Ratto MH Article ISI SCOPUS THERIOGENOLOGY (2019)
Functional expression of the free fatty acids receptor-1 and-4 (FFA1/GPR40 and FFA4/GPR120) in bovine endometrial cells Valenzuela, Pamela; Manosalva, Carolina; Figueroa, Carlos D.; Ratto, Marcelo Article ISI SCOPUS VETERINARY RESEARCH COMMUNICATIONS (2019)
Expression of ?-NGF and high-affinity NGF receptor (TrKA) in llama (Lama glama) male reproductive tract and spermatozoa Sari L.M.; Zampini R.; ArgaÃ±araz M.E.; Fumuso F.G.; Barraza D.E.; Ratto, M.; Apichela S.A. Article ISI SCOPUS Molecular Reproduction and Development (2018)
Natural and controlled ovulation in South American camelids Ratto, M. H. Article ISI SCOPUS (2018)
Source and localization of ovulation-inducing factor/nerve growth factor in male reproductive tissues among mammalian species Ratto, M. H. Article ISI SCOPUS Biology of Reproduction (2018)
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 Article ISI SCOPUS REPRODUCTION IN DOMESTIC ANIMALS (2017)
Butyrate concentration before and after calving is not associated with the odds of subclinical mastitis in grazing dairy cows Villa-Arcila N.A.; Duque-Madrid P.C.; Sanchez-Arias S.; Rodriguez-Lecompte J.C. Article ISI SCOPUS Livestock Science (2017)
Effect of oocyte maturation time, sperm selection method and oxygen tension on in vitro embryo development in alpacas Paulo Santayana R.; José Mendoza M.; Leandra Landeo J.; Huamán, E; Ticllacuri F.; Fidel Mujica L. Article ISI SCOPUS THERIOGENOLOGY (2017)
Nerve growth factor from seminal plasma origin (sp beta-NGF) increases CL vascularization and level of mRNA expression of steroidogenic enzymes during the early stage of Corpus Luteum development in llamas Article ISI SCOPUS THERIOGENOLOGY (2017)
The association between subclinical mastitis around calving and reproductive performance in grazing dairy cows Villa-Arcila N.A.; Rodriguez-Lecompte J.C.; Duque-Madrid P.C.; Sanchez-Arias S. Article ISI SCOPUS Animal Reproduction Science (2017)
Tissue localization of GM-CSF receptor in bovine ovarian follicles and its role on glucose uptake by mural granulosa cells Peralta, O. A.; Bucher D.; Angulo C.; Castro M.A.; Ratto, M. H.; Concha I. Article ISI SCOPUS Animal Reproduction Science (2016)
In vitro developmental competence of alpaca (Vicugna pacos) and llama (Lama glama) oocytes after parthenogenetic activation Ruiz J.; Landeo L.; Mendoza J.; Correa J.; Silva, M.; Ratto MH Article ISI SCOPUS Small Ruminant Research (2015)
LH release and ovulatory response after intramuscular, intravenous, and intrauterine administration of beta-nerve growth factor of seminal plasma origin in female llamas Silva, M.; Fernández, A.; Ulloa-Leal C.; Adams G.P.; Berland, MA; Ratto MH Article ISI SCOPUS Theriogenology (2015)
Luteotrophic effect of ovulation-inducing factor/nerve growth factor present in the seminal plasma of llamas Ratto, M. H. Article SCOPUS Theriogenology (2014)
Ovulation-inducing factor (OIF/NGF) from seminal plasma origin enhances Corpus Luteum function in llamas regardless the preovulatory follicle diameter Silva, M.; Ulloa-Leal C.; Norambuena C.; Fernández, A.; Adams G.P.; Ratto MH Article ISI SCOPUS Animal Reproduction Science (2014)
The effect of repeated administrations of llama ovulation-inducing factor (OIF/NGF) during the peri-ovulatory period on corpus luteum development and function in llamas Fernández, A.; Ulloa-Leal C.; Silva, M.; Norambuena C.; Adams G.P.; Guerra M.; Ratto MH Article ISI SCOPUS Animal Reproduction Science (2014)
Use of hypometabolic TRIS extenders and high cooling rate refrigeration for cryopreservation of stallion sperm: Presence and sensitivity of 5' AMP-activated protein kinase (AMPK) Cordova A.; Strobel P.; Vallejo A.; Valenzuela, P.; Ulloa O.; Menarim, B; Rodríguez-Gil, JE; Ratto, M.; Ramirez-Reveco A. Article ISI SCOPUS CRYOBIOLOGY (2014)
Effects of nutritional restriction on metabolic, endocrine, and ovarian function in llamas (Lama glama) Silva, M.; Urra F; Ulloa-Leal C.; Fernández, A.; Adams G.P.; Huanca, W; Ratto MH Article ISI SCOPUS Animal Reproduction Science (2013)
Granulocyte-macrophage colony stimulating factor (GM-CSF) enhances cumulus cell expansion in bovine oocytes Peralta O.A.; Bucher D.; Fernández, A.; Berland M.; Strobel P.; Ramirez, A; Ratto MH; Concha I. Article ISI REPRODUCTIVE BIOLOGY AND ENDOCRINOLOGY (2013)
Relationship between systemic leptin concentration and reproductive state in llamas (Lama glama) from southern Chile Gómez, Y; Ulloa-Leal C.; Fernández, A.; von Baer, A; Ratto, M. Article ISI SCOPUS Small Ruminant Research (2013)
Vitrification of in vitro mature alpaca oocyte: Effect of ethylene glycol concentration and time of exposure in the equilibration and vitrification solutions Ruiz J.; Landeo L.; Mendoza J.; Artica M.; Correa, JE; Silva, M.; Miragaya, M; Ratto MH Article ISI SCOPUS Animal Reproduction Science (2013)
Effect of purified llama ovulation-inducing factor (OIF) on ovarian function in cattle Tanco V.M.; Van Steelandt M.D.; Ratto, M. H. Article ISI SCOPUS Theriogenology (2012)
GnRH dose reduction decreases pituitary LH release and ovulatory response but does not affect corpus luteum (CL) development and function in llamas Silva, M. E; Ratto, M. H. Article ISI SCOPUS Theriogenology (2012)
Ovarian estradiol modulates the stimulatory effect of ovulation-inducing factor (OIF) on pituitary LH secretion in llamas Silva, M. E; Recabarren M.P.; Recabarren S.E.; Ratto, M. H. Article ISI SCOPUS Theriogenology (2012)
Ovulation-inducing factor (OIF) induces LH secretion from pituitary cells Ratto, M. H. Article ISI SCOPUS Animal Reproduction Science (2012)
The nerve of ovulation-inducing factor in semen Ratto, M. H.; Leduc Y.A.; Valderrama X.P.; Van Straaten K.E.; Delbaere L.T.J.; Pierson R.A. Article ISI SCOPUS Proceedings of the National Academy of Sciences of the United States of America (2012)
Biochemical isolation and purification of ovulation-inducing factor (OIF) in seminal plasma of llamas Ratto, M. H.; Delbaere L.T.J.; Leduc Y.A.; Pierson R.A. Article ISI SCOPUS Reproductive Biology and Endocrinology (2011)
Cetrorelix suppresses the preovulatory LH surge and ovulation induced by ovulation-inducing factor (OIF) present in llama seminal plasma Silva M.E.; Guerra M.; Letelier C.; Adams G.P.; Ratto MH Article ISI SCOPUS Reproductive Biology and Endocrinology (2011)
Effect of location and stage of development of dominant follicle on ovulation and embryo survival rate in alpacas Ratto, M.; Cervantes M.; Norambuena C.; Silva, M.; Miragaya, M; Huanca, W Article ISI SCOPUS Animal Reproduction Science (2011)
Evidence for the conservation of biological activity of ovulation-inducing factor in seminal plasma Bogle, OA; Ratto MH; Adams G.P. Article ISI SCOPUS Reproduction (2011)
Expression of functional melatonin MT1 receptors in equine luteal cells: in vitro effects of melatonin on progesterone secretion Pedreros, M; Ratto, M.; Guerra M. Article ISI SCOPUS Reproduction, Fertility and Development (2011)
In vitro fertilization and development of cumulus oocytes complexes collected by ultrasound-guided follicle aspiration in superstimulated llamas Berland, MA; von Baer, A; Ruiz J.; Morales P; Adams G.P.; Ratto MH Article ISI SCOPUS Theriogenology (2011)
Is an ovulation-inducing factor (OIF) present in the seminal plasma of rabbits? Silva, M.; Nino, A; Guerra M.; Letelier C.; Adams G.P.; Ratto MH Article ISI SCOPUS Animal Reproduction Science (2011)
Transvaginal ultrasound-guided cumulus oocyte complexes aspiration and in vitro embryo production in suckled beef and lactating dairy cattle on pasture-based management conditions Ratto MH; Peralta O.A.; Mogollon G.; Strobel P.; Correa J. Article ISI SCOPUS Animal Reproduction Science (2011)
Ovulation-inducing factor: a protein component of llama seminal plasma Ratto MH; Huanca, W; Adams G.P. Article ISI SCOPUS Reproductive Biology and Endocrinology (2010)
Artificial insemination in South American camelids and wild equids Adams G.P.; Ratto MH; Collins, CW; Bergfelt, DR Article ISI SCOPUS THERIOGENOLOGY (2009)
Ovarian response and embryo production in llamas treated with equine chorionic gonadotropin alone or with a progestin-releasing vaginal sponge at the time of follicular wave emergence Huanca, W; Cordero A.; Huanca, T.; Cardenas O.; Adams, GR; Ratto MH Article ISI SCOPUS THERIOGENOLOGY (2009)
Sperm from Hyh Mice Carrying a Point Mutation in alpha SNAP Have a Defect in Acrosome Reaction BÃ¡tiz L.F.; De Blas, GA; Michaut, MA; Rodriguez,F; Ratto MH; Oliver C.; Tomes, CN; Mayorga, LS Article ISI SCOPUS PLOS ONE (2009)
Effect of ovarian superstimulation on COC collection and maturation in alpacas Ratto, M.; Gomez C.; Berland M.; Adams G.P. Article ISI SCOPUS Animal Reproduction Science (2007)
In vitro and in vivo maturation of llama oocytes Ratto, M.; Berland M.; Huanca, W; Singh J.; Adams G.P. Article ISI SCOPUS THERIOGENOLOGY (2005)


DETECTION OF BIOTINYLATED-OVULATION-INDUCING FACTOR (OIF) IN CEREBROSPINAL FLUID AND ITS ABILITY TO INDUCE OVULATION Berland M.; Guerra M.; Bogle, OA; Vio K.; Adams G.P.; Ratto, M. Abstract ISI Reproduction, fertility, and development (2013)
EFFECT OF OVULATION-INDUCING FACTOR ON DEVELOPMENT AND VASCULAR PERFUSION OF THE OVULATORY FOLLICLE AND CORPUS LUTEUM IN LLAMAS Ulloa-Leal C.; Bogle, O; Adams G.P.; Ratto, M. Abstract ISI Reproduction, fertility, and development (2013)
EFFECTS OF LONG-TERM NUTRITIONAL RESTRICTION ON PREOVULATORY LUTEINIZING HORMONE SURGE, LEPTIN, AND LUTEAL PHASE IN LLAMAS (LAMA GLAMA) Silva, M.; Urra F; Ulloa-Leal C.; Letelier C.; Fernández, A.; Adams G.P.; Ratto MH Abstract ISI Reproduction, fertility, and development (2013)
Relationship between pre-ovulatory follicle diameter and corpus luteum size and function after ovulation induction with GnRH or ovulation-inducing factor in llamas Silva, M.; Adams, G.; Ratto, M. Abstract ISI REPRODUCTION IN DOMESTIC ANIMALS (2012)
DELETERIOUS EFFECTS OF PROGESTAGEN TREATMENT ON FUNCTIONALITY OF PREOVULATORY FOLLICLES IN SHEEP Letelier C.; Garcia-Fernandez, RA; Garcia-Garcia, RM; Arias-Alvarez, M; Contreras-Solis, I; Ratto, M.; Flores J.M.; Gonzalez-Bulnes A. Abstract ISI Reproduction, fertility, and development (2010)
EFFECT OF LOCATION AND STAGE OF THE DOMINANT FOLLICLE ON OVULATION AND PREGNANCY RATES IN ALPACAS Cervantes M.; Huanca, W; Cordero A.; Guerra M.; Ratto MH Abstract ISI Reproduction, fertility, and development (2010)
EFFECT OF SYNTHETIC OVIDUCT FLUID MEDIUM (SOF) v. OPTIMIZED SIMPLE POTASSIUM MEDIUM (KSOM) ON EMBRYO DEVELOPMENT OF IN VITRO-FERTILIZED BOVINE OOCYTES Zapata J.; Fernandez F.; Berland, MA; Colazo, M; Peralta O.; Felmer R.; Ratto MH Abstract ISI Reproduction, fertility, and development (2010)
GRANULOCYTE-MACROPHAGE COLONY STIMULATNG FACTOR (GM-CSF) ENHANCES CUMULUS CELLS EXPANSION OF IN VITRO-MATURED BOVINE CUMULUS-OOCYTE COMPLEXES IN A CHEMICALLY DEFINED MEDIUM Bucher, DD; Silva M.E.; Berland, MA; Ratto MH Abstract ISI Reproduction, fertility, and development (2010)
IN VITRO FERTILIZATION AND EMBRYO DEVELOPMENT OF CUMULUS-OOCYTE COMPLEXES COLLECTED BY ULTRASOUND-GUIDED FOLLICULAR ASPIRATION IN LLAMAS TREATED WITH GONADOTROPIN Berland, MA; von Baer, A; Parraguez V.; Morales P; Adams G.P.; Silva M.E.; Ruiz J.; Ratto MH Abstract ISI Reproduction, fertility, and development (2010)
Is Ovulation-Inducing Factor Present in the Seminal Plasma of Rabbits? Silva M.E.; Niño, MA; Letelier C.; Godoy, RH; Adams G.P.; Ratto MH Abstract ISI BIOLOGY OF REPRODUCTION (2010)
THE EFFECT OF TREATMENT WITH VARIOUS DOSES OF A SYNTHETIC GONADOTROPIN-RELEASING HORMONE ON INDUCTION OF OVULATION IN LLAMAS Silva M.E.; Letelier C.; Dalmazo, PF; Niño, MA; Ratto MH Abstract ISI Reproduction, fertility, and development (2010)
Biological characterization of an ovulation-inducing factor (OIF) isolated from the seminal plasma of llamas Ratto, M.; Huanca, W; Adams G.P. Abstract ISI REPRODUCTION IN DOMESTIC ANIMALS (2008)


Editorial: Reproduction in South American Camelids Ratto, M.; Miragaya M.H. Editorial SCOPUS Frontiers in Veterinary Science (2021)
Dairy science and health in the tropics: challenges and opportunities for the next decades Nally J.E.; Wanapat M.; Alhidary I.A.; Fangueiro D.; Bambou J.C. Editorial ISI SCOPUS TROPICAL ANIMAL HEALTH AND PRODUCTION (2019)


Camelids: an old family spread over four continents Introduction Faye B.; Ratto MH EditorialMaterial ISI SCOPUS ANIMAL FRONTIERS (2022)


Review: Unveiling the effect of beta-nerve growth factor on the reproductive function in llamas and cows Ratto, Marcelo H.; Carrasco, Rodrigo; Ratto, Vicente F. Review ISI SCOPUS Animal (2023)
New insights of the role of beta-NGF in the ovulation mechanism of induced ovulating species Ratto MH; Adams G.P. Review ISI SCOPUS REPRODUCTION (2019)
Ovulation-inducing factor in seminal plasma: A review Adams G.P.; Ratto MH Review ISI SCOPUS Animal Reproduction Science (2013)

MARIA HIDALGO

Associate professor

Pharmacology

UNIVERSIDAD AUSTRAL DE CHILE

Valdivia, Chile

RICARDO FELMER

Profesor titular

Ciencias Agronomicas y Recursos Naturales

UNIVERSIDAD DE LA FRONTERA

Temuco, Chile

Maite Castro

Professor

Faculty of Sciences

UNIVERSIDAD AUSTRAL DE CHILE

Valdivia, Chile

Alfredo Ramírez

Profesor Asociado

Instituto de Ciencia Animal

UNIVERSIDAD AUSTRAL DE CHILE

Valdivia, Chile

Rafael Burgos

FULL PROFESSOR

PHARMACOLOGY AND MORPHOPHYSIOLOGY

UNIVERSIDAD AUSTRAL DE CHILE

VALDIVIA, Chile

Ximena Valderrama

Académica

Producción Animal

Universidad de Concepción

Chillan, Chile

Víctor Parraguez

Profesor Titular

Ciencias Biológicas Animales

UNIVERSIDAD DE CHILE, FACULTAD DE CIENCIAS VETERINARIAS Y PECUARIAS

Santiago, Chile

101

Marcelo Ratto

Profesor titular

Ciencia Animal

Universidad Austral de Chile

Valdivia, Chile

Maria Guerra

Profesor Asociado

INSTITUTO DE ANATOMÍA, HISTOLOGÍA Y PATOLOGÍA, FACULTAD DE MEDICINA, UNIVERSIDAD AUSTRAL DE CHILE

Universidad Austral de Chile

Valdivia , Chile

Oscar Peralta

Profesor Asistente

Pontificia Universidad Católica de Chile

Santiago, Chile

Luis Federico Batiz

Full Professor

Center for Biomedical Research and Innovation (CIIB)

Universidad de Los Andes

Santiago, Chile

Javiera Bahamonde

Académica Categoría III: Profesora Auxiliar

Instituto de Farmacología y Morfofisiología

Universidad Austral de Chile

VALDIVIA, Chile

Francisco Sales

Director

Animal Science

Instituto de Investigaciones Agropecuarias, Kampenaike

Punta Arenas, Chile

Carolina Manosalva

Académico Asociado categoría 02

UNIVERSIDAD AUSTRAL DE CHILE

Valdivia, Chile

Pablo Alarcón

Profesor a honorarios

CFT Santo Tomas

valdivia, Chile

Luis Aguila

Académico/investigador

Facultad de Ciencias Agropecuarias y Medioambiente

Universidad de La Frontera

Temuco, Chile

César Ulloa

Docente Tiempo Completo

Ciencia Animal

Universidad Austral de Chile

Valdivia, Chile

Pablo Strobel

Prrofesional de laboratorio

Facultad Ciencias Veterinarias

Universidad Austral de Chile

Valdivia, Chile

Luis Paiva

Profesor Asistente

Pontificia Universidad Católica de Chile

Santiago, Chile

Camila Sandoval

Mauricio Silva

Profesor Titula

Medicina Veterinaria y Salud Pública

Universidad Católica de Temuco

Temuco, Chile

Gerardo Lopez

Académico

Ciencias Agrarias

Universidad Católica del Maule

Curicó, Chile

Marco Berland

Académico

Ciencias Veterinarias

Universidad Católica de Temuco

Temuco, Chile

Gonzalo Gajardo

Profesor Asistente

Ginecología y Obstetricia

Pontificia Universidad Católica de Chile

Santiago , Chile

Marcelo Hector Ratto Fuster

Líneas de Investigación

Educación

Reproduccion Animal, UNIVERSIDAD AUSTRAL DE CHILE. Chile, 1995

Medico Veterinario, UNIVERSIDAD DE CHILE. Chile, 1998

Reproduccion Animal, UNIVERSITY OF SASKATCHEWAN. Canada, 2005

Ginecologia, UNIVERSITY OF SASKATCHEWAN. Canada, 2007

Experiencia Académica

Profesor Titular Full Time

Profesor Auxiliar Full Time

Article (83)

Abstract (12)

Editorial (2)

EditorialMaterial (1)

Review (3)