Search Results - "Assumpção, Mayra Elena Ortiz D’ Ávila"
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1
Effect of Heat Stress on Sperm DNA: Protamine Assessment in Ram Spermatozoa and Testicle
Published in Oxidative medicine and cellular longevity (01-01-2018)“…Sperm DNA fragmentation is considered one of the main causes of male infertility. The most accepted causes of sperm DNA damage are deleterious actions of…”
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2
Paternal age impairs in vitro embryo and in vivo fetal development in murine
Published in Scientific reports (29-07-2022)“…The association between advanced paternal age and impaired reproductive outcomes is still controversial. Several studies relate decrease in semen quality,…”
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3
An improved acetic acid‐urea polyacrylamide electrophoresis method to evaluate bovine sperm protamines
Published in Reproduction in domestic animals (01-07-2021)“…The acetic acid‐urea polyacrylamide gel electrophoresis system could separate very similar basic proteins on differences in size and effective charge. This…”
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4
What is known so far about bull sperm protamination: a review
Published in Animal reproduction (01-01-2022)“…Sperm routinary fitness evaluation is not sufficient to predict bull reproductive capacity as they present differences in fertility up to 40%. Among the…”
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5
Acute exposure to hyperosmotic conditions reduces sperm activation by urine in the yellowtail tetra Astyanax altiparanae, a freshwater teleost fish
Published in Brazilian journal of veterinary research and animal science (07-10-2020)“…In freshwater fish with external fertilization, sperm sampling can be contaminated with urine, which triggers motility and gives rise to decreased…”
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6
Susceptibility of Stallion Spermatozoa to Different Oxidative Challenges: Role of Seminal Plasma
Published in Journal of equine veterinary science (01-08-2017)“…Seminal cryopreservation provides several advantages in horse breeding. However, improvement on post-thaw sperm survival is still necessary. One of the main…”
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7
Cell viability of bovine spermatozoa subjected to DNA electroporation and DNAse I treatment
Published in Theriogenology (15-04-2016)“…Many mechanisms involved in sperm-mediated gene transfer (SMGT) are still unknown. It is still a matter of debate whether exogenous DNA fragments incorporated…”
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8
Comparison of five extenders for canine semen freezing
Published in Brazilian journal of veterinary research and animal science (01-01-1999)“…Semen was collected from six stud dogs to compare five extenders in the semen freezing process. Each ejaculate was divided in five parts and added to…”
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9
Impact of sperm sex sorting on sperm quality and in vitro embryo production in bovine
Published in Animal reproduction science (01-11-2024)“…Increasing evidence suggests that environmental exposures can modify epigenetic marks in the germline, leading to the transmission of abnormal…”
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10
Effect of culture media on porcine embryos produced by in vitro fertilization or parthenogenetic activation after oocyte maturation with cycloheximide
Published in Zygote (Cambridge) (01-11-2011)“…This study evaluated the effects of reversible meiotic inhibition and different culture media (PZM3 or NCSU23) on production of porcine embryos by either in…”
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Genetic polymorphisms related to meat traits in purebred and crossbred Nelore cattle Polimorfismos genéticos relacionados às características da carne em bovinos Nelore puros e cruzados
Published in Pesquisa agropecuaria brasileira (01-12-2009)“…The objective of this work was to estimate the allelic and genotypic frequencies of CAST/XmnI, a calpastatin gene polymorphism, and CAPN530, a calpain 1 large…”
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12
Genetic polymorphisms related to meat traits in purebred and crossbred Nelore cattle
Published in Pesquisa agropecuaria brasileira (01-12-2009)“…The objective of this work was to estimate the allelic and genotypic frequencies of CAST/XmnI, a calpastatin gene polymorphism, and CAPN530, a calpain 1 large…”
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13
Cryopreservation of mouse morulae in glycerol, sucrose and honeybee royal jelly
Published in Brazilian journal of veterinary research and animal science (01-01-2000)“…Compacted mouse morulae were frozen at 0.3ºC/min. or 0.5ºC/min. from -6ºC to -24ºC or -32ºC in 10% of glycerol plus different sucrose concentrations with or…”
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14
Comparative reproductive rates using artificial insemination and natural mating under seasonal influences in swine
Published in Brazilian journal of veterinary research and animal science (01-12-2000)“…The data of parturition rate and litter size from the herd of the Veterinary School of São Paulo University were analysed during a four years period (1992 to…”
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15
Zygotes and two cells mouse embryos in co-culture of mouse and bovine epithelial cells in CZB glucose free, TCM199 and Ménézo B2 mediuns
Published in Brazilian journal of veterinary research and animal science (01-01-1999)“…Mouse embryos were cultured and co-cultured in mouse (MOEC) and bovine (BOEC) oviduct epithelial cells suspension. Embryos were co-cultured from one cell and…”
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16
Superovulation of Nelore heifers with different FSH/LH doses and embryo freezing by one-step method with ethylene-glycol
Published in Brazilian journal of veterinary research and animal science (01-01-1999)“…The objetive of this study was to identify the better dose between 300 (n = 20), 400 (n = 21) and 500 IU (n = 21) of FSH/LH to stimulate Nelore heifers. The…”
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