Results 31 to 40 of about 2,405,716 (326)
Physical and morphological characteristics of Kankrej bull semen
Veterinary World, 2013 Aim: Present investigation was carried out to study the physical characteristics of Kankrej bulls semen by evaluation of various semen parameters from neat semen and at various stages of semen preservation. Materials and Methods: A total of 60 ejaculates,
Bharatkumar R. Patel, G. M. Siddiquee
doaj +1 more source
陆军军医大学学报, 2023 Objective To investigate the association of sperm DNA methylation level with routine semen parameters and sperm chromatin integrity. Methods A total of 73 male individuals who were sampled from our previously established cohort of the male reproductive ...
WANG Lihong +5 more
doaj +1 more source
Sperm competition games: optimal sperm allocation in response to the size of competing ejaculates [PDF]
, 2007 Engqvist L, Reinhold K. Sperm competition games: optimal sperm allocation in response to the size of competing ejaculates. Proceedings of the Royal Society B.
Reinhold, Klaus +1 more
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Fertility & Reproduction, 2023 Background and Aims: Male infertilities are solely responsible for 20-30% of infertility cases. Oxidative damage of sperm DNA is positively linked with oligoasthenoteratozoospermia (OAT), and male infertility.
Ameet Patki
doaj +1 more source
Counting your sperm before they fertilize: are sperm counts really declining? [PDF]
Asian Journal of Andrology, 2013 A purported global decline in sperm counts has been a source of controversy since the early 1990s. Numerous studies performed since then, as well as re-analysis of the original data, show either no changes, or even increases, in sperm concentrations over time.
Alexander W, Pastuszak, Dolores J, Lamb
openaire +2 more sources
Experimental evolution of sperm count in protandrous self-fertilizing hermaphrodites
Journal of Experimental Biology, 2011 SUMMARYSperm count evolution is driven by sexual selection, with an added role of selection on gamete resource allocation for hermaphrodite spermatogenesis.
R. L. Murray, A. Cutter
semanticscholar +2 more sources
Journal of Applied Sciences and Environmental Management, 2018 This study examined the possible protective effect of D-3-O-methylchiroinositol isolated from stem bark of Pilostigma thonningii on cadmium chloride (CdCl2)-induced reproductive toxicity in male Wistar rats.
E.A. Uwagie-Ero +5 more
doaj +1 more source
Semen quality analysis of military personnel from six geographical areas of the People’s Republic of China [PDF]
, 2011 Objective: To examine the determinants of semen quality in a large sample of military personnel from different geographical areas of the People's Republic of China. Design: Cross-sectional study.
Haixiang Hu +15 more
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Decline of semen quality among Chinese sperm bank donors within 7 years (2008-2014)
Asian Journal of Andrology, 2017 Semen from 5210 sperm bank donors was analyzed and trends in semen quality were evaluated at Shandong Human Sperm Bank between 2008 and 2014. After 2-7 days of abstinence, semen samples were collected.
Li Wang +5 more
doaj +1 more source
Cryopreservation of common carp sperm [PDF]
, 2003 Experiments were carried out to investigate the effect of five extenders (sucrose, glucose, fructose, KCl and a saline carp sperm extender) and two cryoprotectants (dimethyl-sulfoxide (DMSO) and methanol) on the cryopreservation of common carp sperm ...
Urbányi, Béla +5 more
core +1 more source