fertilization success
Effects of Periconceptual Omega-3-Fatty Acid Supplementation on in Vitro Fertilization Success and Miscarriage Rates in Patients of a German Fertility Centre
... IVF- success by dietary measures in a well-defined group of patients of a German Fertility ...vitro fertilization approaches received periconceptual omega- 3-fatty acid supplementation for a time period of ...
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Toxicity of silver nanoparticles on fertilization success and early development of the marine polychaete Hydroides elegans (Haswell, 1883)
... The fertilization success significantly differed among the concentration of AgNPs treated. Previous report on the highest blastula development was recorded in nickel treatment and lower in mercury treatment ...
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Sperm chemotaxis promotes individual fertilization success in sea urchins
... of fertilization and embryo development since the late 1800s, because of the large numbers of gametes each animal produces and their ease of manipulation in a laboratory (Harvey, ...affecting fertilization ...
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Projected near-future levels of temperature and pCO2 reduce coral fertilization success
... $95% fertilization success at sperm concentrations of 10 5 –10 7 sperm ml 21 ...of fertilization ($95%) were achieved, further demonstrating that while acidification inhibits fertilization ...
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Fertilization ecology of egg coats: physical versus chemical contributions to fertilization success of free spawned eggs
... Given the evident physical and chemical benefits of a jelly coat for sperm–egg encounter, it is worth noting some apparently conflicting reports in the literature. Some studies have similarly reported a ‘cost’ to jelly ...
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Effects of different stripping methods of female and activation medium on fertilization success in northern pike (Esox lucius)
... In northern pike, the maximum percentage of motile sperm was noted in the solution with os- molality values ranging from 125 to 235 mOsm/kg (Alavi et al. 2009). Our results indicate that north- ern pike sperm motility ...
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Oocyte zona pellucida dysmorphology is associated with diminished in-vitro fertilization success
... the normal oocyte group. Patients with dsymorphic ZP also had lower blastulation with equivalent fertilization rates and on average 0.4 more transferred embryos per cycle (3.1 (1.2) vs. 2.7 (1.2); p = 0.021). All ...
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Paternity analysis of wild caught females shows the sperm package size and placement influence fertilization success in the bushcricket Pholidoptera griseoaptera
... Parameter estimates from the best-fitting quasi-Poisson GLM, showing the effects of relative spermatodose order within the spermatheca, number of competing males, and spermatodose diamet[r] ...
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RELATIONSHIP BETWEEN WOMEN'S BODY MASS INDEX AND SUCCESS RATE OF IN VITRO FERTILIZATION
... Aim: This study aimed to explore the relationship between body mass index & in Vitro fertilization success. Subject and methods: Descriptive co relational design prospectively investigated 100 women who ...
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Fertilization in the sea
... Examples from diverse taxa have suggested a role for egg- derived chemoattractants, compounds that activate conspecific sperm (increasing swim speed) and trigger chemotaxis towards the egg (Miller, 1977, 1985, 1997). ...
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Early life history of the introduced seastar Asterias amurensis in the Derwent estuary, Tasmania: The potential for ecology based management
... The early life-history of the introduced Northern Pacific seastar (Asterias amurensis) in the Derwent Estuary, Tasmania, is investigated with an aim to identify opportunities for improved management. A discrete ...
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Early life history of the introduced seastar Asterias amurensis in the Derwent estuary, Tasmania: The potential for ecology based management
... of fertilization success indicate that sperm is not always limiting in free-spawning invertebrates, and that high levels of fertilization success result from the massive numbers of gametes ...
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Denk, Angelika (2005): Male and Female Reproductive Tactics in Mallards (Anas platyrhynchos L.): Sperm Competition and Cryptic Female Choice. Dissertation, LMU München: Fakultät für Biologie
... It is still possible that cryptic female sperm selection occurs in mallards, but that we were unable to demonstrate it, for the following reasons. First, one could argue that our experiment lacked the power to detect ...
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Cumulative effects of suspended sediments, organic nutrients and temperature stress on early life history stages of the coral Acropora tenuis
... nutrients. Fertilization success and embryo development were more sensitive to suspended sediments than to high temperatures or nutrient enrichment, while larval development (after acquisition of cilia) and ...
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The role of structured stirring and mixing on gamete dispersal and aggregation in broadcast spawning
... for fertilization kinetics and mean plume concentrations forms the basis for a range of analyses of fertilization success of free-spawning invertebrates ...and fertilization success is ...
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Pre and post zygotic fitness components of hybridization in spadefoot toads
... to fertilization success, and this may be improved or impaired with a heterospecific ...following fertilization becomes contingent on the offspring’s ability to: grow and develop normally; survive to ...
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Quantitive characteristics and chemical composition in Caspian Roach (Rutilus rutilus caspicus) sperm
... Motility duration was differed from results reported by Akcay et al. (2004), Buzkurt et al. (2005) for Mirror carp. Most studies on fish species have shown that the duration and motility of semen may vary seasonally ...
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Maternal source of variability in the embryo development of an annual killifish
... and fertilization success was asymmetric, with no significant additive or non-additive paternal effects and with all additive variance in these traits attributed solely to female ...
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Sperm quality, egg size, fecundity and their relationships with fertilization rate of grass carp (Ctenopharyngodon idella)
... The aquaculture industry has been more focused on fish eggs rather than sperm in spite of both gamete may effect fertilization success. However, sperm quality is very important variable in aquaculture ...
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Sex and flow: the consequences of fluid shear for sperm–egg interactions
... organisms, fertilization is a two-step process where (1) male and female gamete clouds comingle, and (2) sperm contact and penetrate an ...to fertilization success of larger (mixing of gamete plumes) ...
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