Search Results - "Miragaya, M."

Evaluation of equine semen frozen in extenders free of egg yolk using two different freezing curves by Caldevilla, ML, Ferrante, AA, Gambarotta, MC, Miragaya, MH, Neild, DM

“…•The bovine commercial extenders did not work for freezing equine semen.•The equine commercial extender (CE) did not freeze semen well.•CE with 3 %…”
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Circulation of coronavirus in bats from northern and central Argentina: preliminary study by Arteaga, F. Lucero, Miragaya, M., Molina, N., Mondino, M.A., Bracamonte, J.C., Capitelli, G.M., Mundo, S., Bratanich, A.C.

“…Bats have proven throughout history to be the reservoir and disseminator of a wide variety of viruses in nature, where they have sometimes been linked to…”
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Leptin and IGF1 receptors in alpaca (Vicugna pacos) ovaries by Gallelli, M.F., Bianchi, C., Lombardo, D., Rey, F., Rodriguez, F.M., Castillo, V.A., Miragaya, M.

“…Folliculogenesis and ovulation are regulated by gonadotrophins and other factors such as Insulin like growth factor 1 (IGF1) and leptin. In various species the…”
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Effect of storage and single layer centrifugation before cryopreservation on stallion sperm cryosurvival by Nunes, M.M., Morrell, J.M., Santos, F.C.C., Miragaya, M.H., Gallelli, M.F., Rodriguez, M., Guimarães, J.D.

“…•Progressive motility in semen immediately frozen is greater than in stored samples.•Post-thaw motility is greater in samples treated by single layer…”
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Seminal plasma affects the survival rate and motility pattern of raw llama spermatozoa by Fumuso, F.G., Giuliano, S.M., Chaves, M.G., Neild, D.M., Miragaya, M.H., Gambarotta, M.C., Carretero, M.I.

“…•Llama sperm motility pattern is influenced by the percentage of seminal plasma.•Presence of seminal plasma is necessary to avoid spontaneous acrosome…”
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Synchronization of time of development of ovarian follicular waves in South American Camelids by Gallelli, M.F., Bianchi, C., Trasorras, V., Zampini, E., Aba, M., Miragaya, M.

“…•Follicular wave synchronization allows performing fixed time mating.•Follicular wave synchronization allows performing superestimulatory treatments.•Dominant…”
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Comparison of different cryoprotectants for freezing donkey (Equus asinus) semen by Bruno, S.L., Neild, D.M., Plaza, J.P., Ferrante, A.A., Carretero, M.I., Olivieri, G.E.A., Bianchi, C.P., Miragaya, M.H.

“…•The rapid freezing technique can be used successfully with donkey semen.•No pregnancies were obtained using 7 % dimethylformamide as cryoprotectant.•It is…”
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Collection method, season and individual variation on seminal characteristics in the llama ( Lama glama) by Giuliano, S., Director, A., Gambarotta, M., Trasorras, V., Miragaya, M.

“…The objective of the present study was to evaluate the effect of semen collection method (electroejaculation “EE” as compared with the artificial vagina “AV”),…”
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In vitro production of embryos in South American camelids by Trasorras, V, Giuliano, S, Miragaya, M

“…Studies in reproductive biotechnology techniques have been minimal in South American camelids (SAC). Complex reproductive characteristics of these species…”
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Phospholipase C zeta characterization and egg activation ability of donkey sperm by Arroyo-Salvo, C, Camera, J, Cabeza, JP, Martinez, S Perez, Hibling, A, Plaza, J, Miragaya, M, Salamone, DF, Gambini, A

“…Assisted reproduction in horses has rapidly increased in the last few years. This has opened the opportunity to explore its application in other equids, such…”
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Porcine sperm vitrification II: Spheres method by Arraztoa, C. C., Miragaya, M. H., Chaves, M. G., Trasorras, V. L., Gambarotta, M. C., Neild, D. M.

“…Summary Owing to current problems in boar sperm cryopreservation, this study proposes to evaluate vitrification in spheres as an alternative cryopreservation…”
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Comparison of differents methods of sperm selection of llama raw semen by Santa Cruz, R., Giuliano, S.M., Gambarotta, M.C., Morrell, J.M., Abraham, M.C., Miragaya, M.H., Carretero, M.I.

“…•The application of assisted reproduction techniques (ART) bypasses some of in vivo sperm selection mechanisms.•The implementation of reproductive…”
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Improvement of llama ( Lama glama) seminal characteristics using collagenase by Giuliano, S., Carretero, M., Gambarotta, M., Neild, D., Trasorras, V., Pinto, M., Miragaya, M.

“…Llama semen is characterized by great structural viscosity and minimal sperm progressive motility. These characteristics, inherent to South American Camelid…”
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Evaluation of the acrosomal status in Lama glama sperm incubated with acrosome reaction inducers by Carretero, M.I., Fumuso, F.G., Neild, D.M., Giuliano, S.M., Cetica, P., Miragaya, M.H.

“…•Our study simultaneously evaluated acrosomal status and viability in llama sperm.•Calcium ionophore, ionomycin and progesterone were used as acrosome reaction…”
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Porcine sperm vitrification I: cryoloops method by Arraztoa, C. C., Miragaya, M. H., Chaves, M. G., Trasorras, V. L., Gambarotta, M. C., Péndola, C. H., Neild, D. M.

“…Summary The aims of this study were to evaluate porcine sperm vitrification in cryoloops, with and without two different cryoprotectants and assess two warming…”
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Blastocele fluid from in vitro– and in vivo–produced equine embryos contains nuclear DNA by Herrera, C., Morikawa, M.I., Castex, C. Baca, Pinto, M.R., Ortega, N., Fanti, T., Garaguso, R., Franco, M.J., Castañares, M., Castañeira, C., Losinno, L., Miragaya, M.H., Mutto, A.A.

“…Normal mammalian early embryonic development involves apoptosis of blastomeres as a remodeling process during differentiation, starting at the blastocyst…”
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Oestrogen and Progesterone Receptors and COX‐2 Expression in Endometrial Biopsy Samples During Maternal Recognition of Pregnancy in Llamas (Lama glama) by Bianchi, CP, Meikle, A, Benavente, MA, Álvarez, MA, Trasorras, VL, Miragaya, MH, Rodríguez, E, Aba, MA

“…Endometrial expression of oestrogen receptor‐α (ERα), progesterone receptor (PR) and cyclooxigenase‐2 (COX‐2) was evaluated in non‐pregnant and pregnant llamas…”
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Llama oviductal sperm reservoirs: involvement of bulbourethral glands by Apichela, S. A., Argañaraz, M. E., Giuliano, S., Zampini, R., Carretero, I., Miragaya, M., Miceli, D. C.

“…Summary The aim of this study was to elucidate the role of llama seminal plasma in the formation of oviductal sperm reservoirs. Female llamas with follicles in…”
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First llama (Lama glama) pregnancy obtained after in vitro fertilization and in vitro culture of gametes from live animals by Trasorras, V., Baca Castex, C., Alonso, A., Giuliano, S., Santa Cruz, R., Arraztoa, C., Chaves, G., Rodríguez, D., Neild, D., Miragaya, M.

“…The aim of this study was to evaluate the developmental competence and pregnancy rate of llama hatched blastocysts produced in vitro using gametes from live…”
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Evaluation of Lama glama semen viscosity with a cone-plate rotational viscometer by Casaretto, C., Martínez Sarrasague, M., Giuliano, S., Rubin de Celis, E., Gambarotta, M., Carretero, I., Miragaya, M.

“…Summary Llama semen is highly viscous. This characteristic is usually evaluated subjectively by measuring the thread formed when carefully pippeting a sample…”
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