Sperm viability
Cryopreservation of boar semen in 0.5mL straws at low spermatozoa concentration is better than high concentration to maintain sperm viability
... Mde.L., Muro B.B., Parra B.M., Meirelles F.V., Papa F.O., Dell’Aqua Junior J.A., Alvarenga M.A., Moretti Ade.S., Sepúlveda N. & de Andrade A.F. 2016b. Novel flow cytometry analyses of boar sperm viability : ...
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Ovarian fluid mediates the temporal decline in sperm viability in a fish with sperm storage.
... of sperm viability and functionality during sperm transfer and storage within the female reproductive tract can have important fitness implications by disrupting fertilization and impairing offspring ...
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Correction: Colony Failure Linked to Low Sperm Viability in Honey Bee (Apis mellifera) Queens and an Exploration of Potential Causative Factors.
... 3. Sperm viability in queens heading colonies that were rated as in healthy or failing ...and sperm viability assessments conducted blind relative to hive ...in viability within ...
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Colony Failure Linked to Low Sperm Viability in Honey Bee (Apis mellifera) Queens and an Exploration of Potential Causative Factors.
... Beekeepers who had complained of queen failures were asked to rate a set of honey bee colonies in a single apiary as being in good or poor health and to send live queens from those colonies for analysis at USDA-ARS ...
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Effect of refrigeration systems upon frozen bull sperm viability assessed by computer-assisted sperm analysis and fluorescent probes
... initial sperm motility does not ensure a good freezing performance, it allows animals that have increased low motility rate in their samples to present post-thawing semen approvals (CHACUR, 1996; SALVADOR et ...a ...
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Effect of β-mercaptoetanol and cysteine on post-thawing quality and oxidative activity of ram sperm and on the viability of vitrified sheep embryos
... Thiol antioxidant composts of low molecular weight, such as β-mercaptoetanol (BME), neutralize ROS production by inducing intracellular synthesis of glutathione (GSH) (Luberda, 2005; Hosseini et al., 2011). As GSH has no ...
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Viability of ovine spermatozoa collected from epididymides stored at 18°-25°C for 48 hours post mortem
... in sperm recovery and motility immediately after collection but identified better motility, acrosome integrity and viability in sperm collected by retrograde flushing when spermatozoa were diluted ...
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Selection criteria of Zebrafish male donors for sperm cryopreservation
... Zebrafish sperm viability (%) after different sperm stripping ...between sperm collections. After the first sampling sperm was collected after 2, 7 and 14 days of rest between ...
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Evandro César Pereira Cunha1 , Márcio Gilberto Zangeronimo1 , Luis David Solis Murgas1, Douglas Evangelista Braga1 , Bárbara Azevedo Pereira1 , Luiz Gustavo Pessoa Rocha1, Bruno Generoso Faria1 , Luciano José Pereira1
... Besides, sperm viability and osmotic resistance of the cell are also reduced, increasing the number of abnormal cells in semen (Johnson et ...reduce sperm quality at the end of the storage period, ...
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Multivariate cluster analysis to study motility activation of Solea senegalensis spermatozoa: a model for marine teleosts
... of sperm motility with fertility (Rurangwa et ...(sperm viability, ATP reserves, ATP restoring pathways, membrane composition, and resistance to osmotic shocks) and with controlled fertility trials ...
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Cooling of ejaculated and epididymal stallion sperm
... epididymal sperm demonstrated higher motility parameters when compared to the ejaculated ...on sperm viability were noted when more than 20% of the seminal plasma was ...present. Sperm ...
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Braz. J. Pharm. Sci. vol.53 número3
... the sperm viability as it mediate acrosomal reaction of human sperm during fertilization and inhibitors of these channels may prevent sperm-egg fusion (Enders, ...
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Postcopulatory sexual selection is associated with reduced variation in sperm morphology.
... Optimum Sperm Size and Female Cryptic Choice From a male’s perspective, success in postcopulatory competition depends on achieving a balance in the theoretical trade-off between sperm size and numbers ...
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In vitro evaluation of canine spermatozoa cryopreserved in different extenders
... better sperm longevity than the TRIS extender using ethylene glycol as ...of sperm cells frozen in T2 showed intermediate ...of sperm membranes ...thawing sperm cells in vitro may help in ...
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Solea senegalensis sperm cryopreservation: new insights on sperm quality
... fresh sperm sam- ples in order to demonstrate their stability in a specific physiological process (cryopreserva- tion) or condition (using DMSO or ...fresh sperm samples (n = 3 pools with 10 individual ...
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Clinics vol.68 suppl.1
... but sperm derived from the caput epididymis are thought to have a low fertilizing capacity in conven- tional IVF cycles because of their short passage through the epididymis ...condition, sperm can be ...
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Ovopel and Carp Pituitary Extract as Spawning Inducers in Males of the Amazon Catfish Leiarius marmoratus (Gill, 1970)
... abnormal sperm and primary and secondary defects were determined with the PROC GENMOD procedure of the SAS package using a Poisson distribution and logit link ...for sperm volume, time of motility, and ...
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Rogue sperm indicate sexually antagonistic coevolution in nematodes.
... male sperm often physically displace other sperm from the two spermathecae, as expected from previous observations of crosses between ...Second, sperm sometimes invade the ovary, where they induce ...
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Effect of Storage Time and Temperature of Equine Epididymis on the Viability, Motion Parameters, and Freezability of Epididymal Sperm
... of sperm motility and metabolism ...the sperm cells [18], which substantiates the findings in the present ...epididymal sperm plus seminal plasma was higher than that of fresh epididymal spermatozoa ...
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Effect of crude protein levels and organic selenium supplementation in the diets fed during the breeding season on reproductive parameters of red-winged tinamous (Rhynchotus rufescens)
... (14.13uL), sperm motility (66%), sperm vigor (2.30) and sperm concentration ...of sperm morphological changes than ...of sperm defects as, according to Correa & Arceo (1995), ...
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