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Fertility and its relationship to motility characteristics of spermatozoa in ewes after cervical, transcervical, and intrauterine insemination with frozen-thawed ram semen
Proline glycine betaine sperm cryopreservation
2009/2/18
The fertility of ewes after artificial insemination and the relationship between fertility and motility characteristics assessed by a computerized motility analysis system were examined with ram semen...
Semen donor selection by in vitro sperm mobility increases fertility and semen storage in the turkey hen
Semen donor selection sperm mobility semen storage turkey hen
2009/2/17
Commercial turkey production relies on the artificial insemination (AI) of pooled semen. However, semen quality ultimately depends on the quality of individual ejaculates. The purpose of this stud...
Activation of coagulation factor X in human semen
Activation coagulation factor X human semen
2009/2/17
Tissue factor (TF) is an essential cofactor for factor VII (fVII) in initiating blood coagulation. Recently, TF was shown to be present in human semen and to be associated with prostasomes that orig...
Effect of repeated testicular biopsy on testis function and semen quality in dogs
Sperm output sperm motility spermatogenesis
2009/2/17
The study was designed to quantitatively evaluate the effect of repeated testicular biopsy of avascular areas by the open method on spermatogenesis, semen quality, and sperm output in dogs. After a ...
Effect of semen dilution on bovine sperm viability as determined by dual-DNA staining and flow cytometry
Sperm concentration cellular viability SYBR-14
2009/2/17
Living and dead spermatozoa were examined for the effects of sperm concentration level on sperm viability. Semen was collected from two different bulls on each of four collection dates. A ninth bull...
Seminal plasma lactoferrin concentrations in normal and abnormal semen samples
Leucocytospermia oligospermia asthenospermia infertili
2009/2/17
Although the iron-chelating protein lactoferrin is secreted by the seminal vesicles, the precise role of lactoferrin in semen is unclear. This study aimed to determine whether there is any association...
Effects of psychological stress on human semen quality
psychological stress human semen quality
2009/2/17
We investigated the relationship between psychological stress and sperm concentration, motility, and morphometry in a prospective study of 157 volunteers who were enrolled in a prepaid health plan. ...
The influence of semen analysis parameters on the fertility potential of infertile couples
Semen analysis conception rate survival analysis
2009/2/17
The objective of this study was to investigate the relationship between couples' fertility potential and several parameters of semen analysis (from a single semen sample/male partner) in a cohort ...
Choice of operating conditions to minimize sperm subpopulation sampling bias in the assessment of boar semen by computer-assisted semen analysis
CASA computer semen analysis tracking semen
2009/2/16
The performance of a computer-assisted semen analysis system was evaluated for use with washed boar spermatozoa. Accuracy was tested using a computer graphics-generated series of spots moving along ...
Evaluation of computer-assisted semen analysis（CASA）with IDENT stain to determine sperm concentration
Sperm count sperm density CASA
2009/2/16
This study was undertaken to compare a new fluorescent stain-based computer-assisted semen analysis (CASA) system (IDENT) for determining human sperm concentration to the manual hemacytometric met...
Influence of semen collection method on ejaculate characteristics in the common marmoset, Callithrix jacchus
Spermatozoa electroejaculation vaginal washing artificial insemination
2009/2/16
A source of normal spermatozoa (sperm) is required for many andrological and reproductive studies. Ideally the method used for semen collection should be repeatable and reliable but should not influ...
Secretory leucocyte protease inhibitor in the male genital tract：PSA-induced proteolytic processing in human semen and tissue localization
Protease inhibitors proteolytic enzymes prostate semen seminal vesicles
2009/2/13
Secretory leucocyte protease inhibitor, SLPI, is a low-molecular-weight, acid-stable protein present in the liquid part of fresh human ejaculate but not demonstrable in the gel structure. No fragm...
Scrotal and oral temperatures are not related to semen quality of serum gonadotropin levels in spinal cord-injured men
Electroejaculation sperm fertility paraplegia neuroendocrine
2009/2/13
Scrotal temperature, oral temperature, and the difference between oral and scrotal temperature were measured in spinal cord-injured subjects (SCI) and non-injured subjects as controls. We statisti...
Leukocytic infiltration into the human ejaculate and its association with semen quality, oxidative stress, and sperm function
Leukocytes reactive oxygen species sperm function
2009/2/12
Immunocytochemical techniques have been used to monitor the size and composition of the leukocyte population in unfractionated human semen samples and sperm populations generated by Percoll gradie...
The objectives of the present study were to: 1) determine the effect of cryopreservation on the percent and the grade of motility of sperm from spinal cord injured (SCI) men and 2) determine which m...