Results 31 to 40 of about 139,311 (307)

Semen characteristics and production potential of Toraya Buffalo at UPT-PIBPS Pucak, South Sulawesi [PDF]

open access: yesBIO Web of Conferences
This study aimed to evaluate the fresh semen characteristics, frozen semen production potential, and frozen semen quality of Toraya buffaloes at the Technical Implementation Unit for Artificial Insemination Services and Semen Production (UPT-PIBPS) Pucak,
Maulana Tulus   +5 more
doaj   +1 more source

Impact of supplementation of semen extender with antioxidants on quality of cooled or cryopreserved Marwari stallion spermatozoa

open access: yesIndian Journal of Animal Sciences, 2021
The aim of the present study was to evaluate the effects of supplementation of semen extender with two antioxidants namely Ascorbic acid (AA @ 0.9 g/L), Glutathione (GSH @ 2.5 mM), and combination of both (AA @ 0.9 g/L + GSH @ 2.5 mM) either in alone or ...
PRASHANT KUMAR   +8 more
doaj   +1 more source

Semen Quality and Reproductive Hormones in Faroese Men – a Cross-sectional Population-based Study of 481 Men [PDF]

open access: yes, 2013
Objectives: To determine semen quality and reproductive hormone levels in young Faroese men. Design: Descriptive cross-sectional study of Faroese men compared with Danish men. Setting: Faroese one-centre study.
Grandjean, Philippe   +5 more
core   +1 more source

Low-Cost QCM Sensor System for Screening Semen Samples [PDF]

open access: yes, 2010
Artificial insemination is a well-established part of modern agricultural practice. A viable semen sample is judged by the total number of spermatozoa (sperm) in the sample and the motility of the sperm.
Atherton, Shaun   +6 more
core   +2 more sources

Exposure to Endocrine Disruptors and Nuclear Receptors Gene Expression in Infertile and Fertile Men from Italian Areas with Different Environmental Features [PDF]

open access: yes, 2015
Internal levels of selected endocrine disruptors (EDs) (i.e., perfluorooctane sulfonate (PFOS), perfluorooctanoic acid (PFOA), di-2-ethylhexyl-phthalate (DEHP), mono-(2-ethylhexyl)-phthalate (MEHP), and bisphenol A (BPA)) were analyzed in blood/serum of ...
Bergamasco B   +14 more
core   +2 more sources

Cr (VI)-induced ribosomal DNA copy number variation is associated with semen quality impairment: Evidence from human to animal study

open access: yesEcotoxicology and Environmental Safety
Objectives: This study aimed to analyze the possible role of rDNA copy number variation in the association between hexavalent chromium [Cr (VI)] exposure and semen quality in semen donors and further confirm this association in mice.
Jing Huang   +15 more
doaj   +1 more source

Drivers and food web effects of Gonyostomum semen blooms [PDF]

open access: yes, 2013
The flagellate Gonyostomum semen forms dense late-summer blooms in humic lakes and is a nuisance to swimmers because it forms a slimy coat on the skin, causing irritation in sensitive individuals. Increasing occurrence and bloom incidence of G. semen has
Johansson, Karin S. L.
core  

THE EFFECT OF GLYCEROL CONCENTRATION IN TRIS GLUCOSE EGG YOLK EXTENDER ON THE QUALITY OF TIMOR DEER FROZEN SEMEN [PDF]

open access: yes, 2011
The aims of study was to compare the glycerol concentration in Tris glucose egg yolk (TGEY) diluents on the quality of deer frozen semen. Semen was collected from 5 Timor deer using electroejaculator.
B. Purwantara   +4 more
core   +1 more source

Microbial exopolysaccharide production by polyextremophiles in the adaptation to multiple extremes

open access: yesFEBS Letters, EarlyView.
Polyextremophiles are microorganisms that endure multiple extreme conditions by various adaptation strategies that also include the production of exopolysaccharides (EPSs). This review provides an integrated perspective on EPS biosynthesis, function, and regulation in these organisms, emphasizing their critical role in survival and highlighting their ...
Tracey M Gloster, Ebru Toksoy Öner
wiley   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

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