Results 21 to 30 of about 41,510 (263)

An Investigation of the Effect of Smoking, Alcohol, and Drug Use on Male Infertility

International Journal of Body, Mind and Culture, 2022
Background: Infertility in men has increased in recent years. Numerous physical, chemical, biological, and social factors are known to play a role in reducing semen quality, in between, there are high-risk behaviors that affect the quality of semen.
A. Heri Iswanto, Yasir Salam Karim, Zahidul Islam, Ola Kamal A. Alkadir, Abduladheem Turki Jalil, Ali T. Khlaif, Yasser Fakri Mustafa, Hamzah H. Kzar, Moaed E. Al-Gazally, Narmin Beheshtizadeh   +9 more
doaj   +1 more source

Omeprazole and Semen Quality [PDF]

Basic & Clinical Pharmacology & Toxicology, 2015
AbstractA number of studies have linked omeprazole, a commonly used acid reducer under the brand name Prilosec, with semen quality. This MiniReview systematically addresses and summarizes the effect of omeprazole on semen quality, and male infertility.
openaire   +2 more sources

Semen quality of Asian men [PDF]

Reproductive Medicine and Biology, 2007
After the controversial report by Carlsenet al. in 1992 showing a possible decline in human semen quality over the past 50 years, many laboratories investigated their own records of semen findings that had been kept for the past decades, and a significant decrease in sperm quality was reported from some laboratories, but not others. At the beginning of
Teruaki, Iwamoto, Shiari, Nozawa, Miki, Yoshiike   +2 more
openaire   +2 more sources

Increasing sperm production and improving cryosurvival of semen in aged Thai native roosters as affected by selenium supplementation [PDF]

Animal Bioscience, 2023
Objective Aging roosters typically exhibit subfertility with decreasing semen quality, furthermore Thai native roosters reared in rural areas are raised for a longer duration than their usual lifespan.
Supakorn Authaida, Ruthaiporn Ratchamak, Wuttigrai Boonkum, Vibuntita Chankitisakul   +3 more
doaj   +1 more source

Quality of Semen Stored in On-the-Farm Semen Tanks

Journal of Dairy Science, 1980
We assessed the damage to frozen semen packaged in French straws stored for 2 yr in 60 on-the-farm semen tanks on 56 Washington dairy farms. Percentage of motile spermatozoa and percentage of spermatozoa with intact acrosomes were not affected significantly by position of the semen on the rack (top or bottom goblet).
P L, Senger, W C, Becker, J K, Hillers
openaire   +2 more sources

Perceived stress and semen quality

Andrology, 2022
AbstractBackgroundPsychological stress is prevalent among reproductive‐aged men. Assessment of semen quality for epidemiological studies is challenging as data collection is expensive and cumbersome, and studies evaluating the effect of perceived stress on semen quality are inconsistent.ObjectiveTo examine the association between perceived stress and ...
Katrine H. Lund, Anne Sofie D. Laursen, Therese K. Grønborg, Gunnar Toft, Bjarke H. Jacobsen, Tanran R. Wang, Amelia K. Wesselink, Elizabeth E. Hatch, Greg J. Sommer, Michael L. Eisenberg, Kenneth J. Rothman, Henrik T. Sørensen, Lauren A. Wise, Ellen M. Mikkelsen   +13 more
openaire   +3 more sources

Association of occupations with decreased semen quality in eastern China: a cross-sectional study of 12 301 semen donors

BMJ Open, 2022
Objectives This study aims to examine the association between occupational factors and semen quality in semen donors in eastern China.Methods We recruited 12 301 semen donors from 2006 to 2020 as the studying population. A self-designed questionnaire was
Jing Huang, Yongxin Li, Ling Xu, Feng Tang, Zhaoqiang Jiang, Mingying Jin, Huiqiang Sheng, Lingfang Feng, Junfei Chen, Jianlin Lou   +9 more
doaj   +1 more source

Boar management and semen handling factors affect the quality of boar extended semen

Porcine Health Management, 2017
Artificial insemination (AI) is the preferred method for reproduction in the majority of the intensive pig production systems Worldwide. To this end, fresh extended ready-to-use semen doses are either purchased from AI-centres or produced by boars kept ...
Alfonso Lopez Rodriguez, Ann Van Soom, Ioannis Arsenakis, Dominiek Maes   +3 more
doaj   +1 more source

Vitamin B12 and Semen Quality [PDF]

Biomolecules, 2017
Various studies have revealed the effects of vitamin B12, also named cobalamin, on semen quality and sperm physiology; however, these studies collectively are still unsummarized. Here, we systematically discuss and summarize the currently understood role of vitamin B12 on semen quality and sperm physiology.
openaire   +3 more sources

Effect of Macrophages in Semen on Sperm Quality [PDF]

Reproductive Biology and Endocrinology, 2020
Abstract Background: This was a cross-sectional study in China, we analyzed the levels of macrophages(Mφ) in semen. The study evaluated the influence of the levels of Mφ in semen on sperm quality.Methods: The subjects were 78 males between 25 and 35 years old.
Gangxin Chen, Beihong Zheng
openaire   +3 more sources