Search Results - "Arruda, R. P."

Practical Techniques for Bovine Sperm Simultaneous Fluorimetric Assessment of Plasma, Acrosomal and Mitochondrial Membranes by Celeghini, ECC, de Arruda, RP, de Andrade, AFC, Nascimento, J, Raphael, CF

“…This experiment was performed to develop and validate practical techniques for simultaneous evaluation of the integrity of plasma and acrosomal membranes, as…”
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Effect of Antioxidants During Bovine In Vitro Fertilization Procedures on Spermatozoa and Embryo Development by Gonçalves, FS, Barretto, LSS, Arruda, RP, Perri, SHV, Mingoti, GZ

“…Increased amounts of reactive oxygen species (ROS) during in vitro fertilization (IVF) may cause cytotoxic damage to gametes, whereas small amounts of ROS…”
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Addition of Seminal Plasma to Post-thawing Equine Semen: What is the Effect on Sperm Cell Viability by de Andrade, AFC, Zaffalon, FG, Celeghini, ECC, Nascimento, J, Tarragó, OFB, Martins, SMMK, Alonso, MA, Arruda, RP

“…Effect of seminal plasma addition after thawing on viability or cryocapacitation is not definitively established. This experiment was performed to verify the…”
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Heparin and penicillamine–hypotaurine–epinephrine (PHE) solution during bovine in vitro fertilization procedures impair the quality of spermatozoa but improve normal oocyte fecundation and early embryonic development by Gonçalves, F. S, Barretto, L. S. S, Arruda, R. P, Perri, S. H. V, Mingoti, G. Z

“…The presence of heparin and a mixture of penicillamine, hypotaurine, and epinephrine (PHE) solution in the in vitro fertilization (IVF) media seem to be a…”
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Use of Cholesterol‐Loaded Cyclodextrin in Donkey Semen Cryopreservation Improves Sperm Viability but Results in Low Fertility in Mares by Oliveira, RR, Rates, DM, Pugliesi, G, Ker, PG, Arruda, RP, Moraes, EA, Carvalho, GR

“…The use of cholesterol‐loaded cyclodextrin (CLC) on semen cryopreservation has been related with better sperm viability in several species; however, the effect…”
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Fluorescent Stain Method for the Simultaneous Determination of Mitochondrial Potential and Integrity of Plasma and Acrosomal Membranes in Boar Sperm by de Andrade, AFC, de Arruda, RP, Celeghini, ECC, Nascimento, J, Martins, SMMK, Raphael, CF, Moretti, AS

“…The purpose of this study was to validate a technique for simultaneous evaluation of the plasma, acrosomal and mitochondrial membranes in boar spermatozoa,…”
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Effects of bovine sperm cryopreservation using different freezing techniques and cryoprotective agents on plasma, acrosomal and mitochondrial membranes by Forero-Gonzalez, R. A., Celeghini, E. C. C., Raphael, C. F., Andrade, A. F. C., Bressan, F. F., Arruda, R. P.

“…Summary The success of semen cryopreservation is influenced by several factors, such as freezing curves and cryoprotectants. These two factors are of special…”
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Natural, but not lyophilized, low density lypoproteins were an acceptable alternative to egg yolk for cryopreservation of ram semen by Moustacas, V.S., Zaffalon, F.G., Lagares, M.A., Loaiza-Eccheverri, A.M., Varago, F.C., Neves, M.M., Heneine, L.G.D., Arruda, R.P., Henry, M.

“…The objective was to evaluate the suitability of using natural or lyophilized low density lipoproteins (LDL), in lieu of whole egg yolk, in extenders for…”
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Ovarian follicular dynamics during the estrous cycle in buffalo ( [formula omitted]) by Baruselli, P.S., Mucciolo, R.G., Visintin, J.A., Viana, W.G., Arruda, R.P., Madureira, E.H., Oliveira, C.A., Molero-Filho, J.R.

“…The growth, selection, regression and ovulation of ovarian follicles was ultrasonically monitored in 30 Murrah buffalo throughout a spontaneous estrous cycle…”
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Effect of sequence of insemination after simultaneous thawing of multiple semen straws on conception rate to timed AI in suckled multiparous Nelore cows by Oliveira, L.Z, Arruda, R.P, de Andrade, A.F.C, Santos, R.M, Beletti, M.E, Peres, R.F.G, Martins, J.P.N, Hossepian de Lima, V.F.M

“…The objective was to determine the effect of sequence of insemination after simultaneous thawing of multiple 0.5 mL semen straws on conception rate in suckled…”
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Effects of discontinuous Percoll gradient centrifugation on the quality of bovine spermatozoa evaluated with computer-assisted semen analysis and fluorescent probes association by Oliveira, L. Z., Arruda, R. P., Celeghini, E. C. C., de Andrade, A. F. C., Perini, A. P., Resende, M. V., Miguel, M. C. V., Lucio, A. C., Hossepian de Lima, V. F. M.

“…Summary The objective of this study was to evaluate the quality of bovine frozen‐thawed sperm cells after Percoll gradient centrifugation. Frozen semen doses…”
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Organic selenium supplementation increases PHGPx but does not improve viability in chilled boar semen by Martins, S. M. M. K., De Andrade, A. F. C., Zaffalon, F. G., Bressan, F. F., Pugine, S. M. P., Melo, M. P., Chiaratti, M. R., Marino, C. T., Moretti, A. S., Arruda, R. P.

“…Summary This study evaluated the effects of dietary organic selenium (Se) on viability of chilled boar semen. Twelve boars were divided into three groups:…”
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Ovarian follicular dynamics during the estrus cycle in buffalo (Bubalus bubalis). Preliminary research by Baruselli, P S, Mucciolo, R G, Visintin, J A, Viana, W G, Arruda, R P, Madureira, E H, Molero-Filho, J R

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Effects of extenders and cryoprotectants on stallion sperm head morphometry

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Oral rapamycin attenuates atherosclerosis without affecting the arterial responsiveness of resistance vessels in apolipoprotein E-deficient mice by Gadioli, A L N, Nogueira, B V, Arruda, R M P, Pereira, R B, Meyrelles, S S, Arruda, J A, Vasquez, E C

“…The objective of the present study was to assess the effects of the immunosuppressant rapamycin (Rapamune, Sirolimus) on both resistance vessel responsiveness…”
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Effects of ascorbic acid and pentoxifylline on equine cryopreserved semen submitted to in vitro incubation

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Utilization of fluorescent probe association for simultaneous assessment of plasmatic, acrosomal, and mitochondrial membranes of rooster spermatozoa by Celeghini, ECC, Arruda, RP, Albuquerque, R, Silva, FHA, Faria, DE, Andrade, AFC, Nascimento, J, Raphael, CF

“…This experiment was designed with the objective of developing a simple, practical, and high repeatability technique for the simultaneous evaluation of the…”
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Impact of adding different concentrations of IGF-I and insulin to the semen extender on bull sperm quality post-cryopreservation by Pinto, S.C.C., Souza, F.A., Arruda, R.P., Alves, M.B.R., Batissaco, L., Garcia-Oliveros, L.N., Passarelli, M.S., Carneiro, L.C., Celeghini, E.C.C.

“…ABSTRACT This study aimed to evaluate the addition of different concentrations of IGF-I and insulin to egg yolk-based extender to improve bovine semen…”
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Endocrine disrupter action in ruminants: A study of the effects of Ipomoea carnea in adult male goats by Gotardo, A.T., Pavanelli, E.L., Carvalho, H.F., Lemes, K.M., Arruda, R.P., Kempinas, W.G., Górniak, S.L.

“…Ipomoea carnea is a toxic plant in Brazil and other tropical countries that often poisons livestock; its primary toxin is swainsonine. Some substances that…”
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Organic selenium increases PHGPx, but does not affect quality sperm in raw boar semen by Martins, S.M.M.K., De Andrade, A.F.C., Zaffalon, F.G., Parazzi, L.J., Bressan, F.F., Pugine, S.M.P., Melo, M.P., Chiaratti, M.R., Marino, C.T., Afonso, E.R., Moretti, A.S., Arruda, R.P.

“…This study assessed the effects of feeding organic selenium (Se) on sperm morphology, motility, membrane integrity and lipidic peroxidation, also on sperm ATP…”
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