Results 11 to 20 of about 39,957 (261)

Macro- and microelements in serum and seminal plasma as biomarkers for bull sperm cryotolerance

open access: yesActa Veterinaria Scandinavica, 2021
Background Wide variation in fertility rates is observed when using frozen bull semen, even when the bulls have met quality standards for semen production.
Maja Zakošek Pipan   +5 more
doaj   +1 more source

A comparative proteomic study of high and low semen quality seminal plasma in drakes

open access: yesPoultry Science, 2022
Semen quality is the most important indicator in evaluating drake fecundity. At present, the low semen quality has become a major factor restricting the development of artificial insemination (AI) technology in ducks. Numerous studies have indicated that
Bincheng Tang   +8 more
doaj   +1 more source

Association between semen collection time and semen parameters: an observational study

open access: yesAsian Journal of Andrology, 2023
The process of semen collection plays a key role in the quality of semen specimens. However, the association between semen collection time and semen quality is still unclear.
Shun Bai   +11 more
doaj   +1 more source

Semen quality and production potential of Indian buffalo breeds

open access: yesIndian Journal of Animal Sciences, 2021
The objective of the study was to evaluate non-genetic factors on semen traits. The overall means for the semen quality traits: ejaculate volume, sperm concentration, total sperm, mass activity, initial and post thaw motility, hypoosmotic swelling test,
K G BHAVE   +8 more
doaj   +1 more source

Sperm Transcripts Associated With Odorant Binding and Olfactory Transduction Pathways Are Altered in Breeding Bulls Producing Poor-Quality Semen

open access: yesFrontiers in Veterinary Science, 2022
Spermatozoa carries a reservoir of mRNAs regulating sperm functions and fertilizing potential. Although it is well recognized that a considerable proportion of high genetic merit breeding bulls produce poor-quality semen, the transcriptomic alterations ...
Thirumalaisamy Karuthadurai   +10 more
doaj   +1 more source

Semen quality of Asian men [PDF]

open access: yesReproductive 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   +2 more
openaire   +2 more sources

Environmental exposure to cadmium but not lead is associated with decreased semen quality parameters: quality regionalism of sperm properties

open access: yesAsian Journal of Andrology, 2022
Environmental factors may negatively contribute to a progressive worsening of semen quality, and differences in semen quality may result from different environmental exposures (regional differences) or lifestyle differences. Heavy metals are factors with
Katarzyna Olszak-Wasik   +4 more
doaj   +1 more source

Karakteristik dan Jenis Pengencer Semen Sapi Bali: Suatu Review

open access: yesJurnal Ilmu Peternakan dan Veteriner Tropis, 2022
Bali cattle are Indonesian native cattle that are preferred because they have adaptability and reproductive efficiency capabilities.  The productivity of this cow can be increased using artificial insemination.
Angelina Novita Tethool   +3 more
doaj   +1 more source

Perceived stress and semen quality

open access: yesAndrology, 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   +13 more
openaire   +3 more sources

Will male semen quality improve with environmental quality?

open access: yesAsian Journal of Andrology, 2023
Wenzhou has improved its environmental quality because of comprehensive environmental remediation; nevertheless, the semen quality of infertile males remains unclear.
Xu-Chao Dai   +6 more
doaj   +1 more source

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