Modern Techniques for Semen Evaluation

The evaluation of stallion semen is an integral part of evaluating horse subfertility and determiningastallions potential asabreedingprospect.Althoughsemenevaluation is an important part of a stallion's breeding potential, good sperm quality is necessary, but not sufficient, for fertility. This concept is important because a semen evaluation is

Collecting a Semen Sample -

Your semen sample shouldn't be exposed to any extreme temperatures and, in fact, should be kept as close to body temperature as possible. The sperm motility value will be inaccurately low if the semen sample gets cold and or if it gets too hot. Keep your specimen container upright in a plastic bag, with the lid securely tightened.

Evaluating Boar Semen Quality - Nc State University

Jun 01, 2000· If semen cannot be immediately analyzed (<30 min), fix or preserve the semen drops on the slide with 0.5-1 ml of formal saline. In addition to preserving the sample, sperm will be immobilized, and thus, much easier to view. Samples can be viewed wet or dry mounted and viewed under oil immersion after fixing.

Evaluation of Semen in Cattle - University of Wisconsin

After freezing a representative sample is normally thawed and evaluated with various laboratory tests. These post-thaw evaluations not only reflect the ability of semen to withstand the processing conditions but also can give some indication of the potential fertility of the semen.

Semen Analysis | LabCorp

Post-vasectomy sperm check: a semen sample is collected in a clean, wide-mouth container provided by the lab. Infertility evaluation: Most laboratories require samples to be collected on-site as the semen needs to be examined within 60 minutes after ejaculation in order to maintain the quality of the specimen.


Semen parameters evaluated for the samples included volume (phantom breedings only), sperm activity immediately after semen collection, live sperm percentage and sperm morphology from stained slides, and estimated sperm concentration immediately after semen collection (estimated as low, medium, or high). Data is presented on all

Semen Evaluations: What is normal? -

Evaluation of a semen sample includes assessment of color; sperm motility, concentration, and morpholo­gy; and, the presence of other ceOs or bacteria. Color: Healthy canine semen should be pearly white or translucent in color. Yellow semen indicates urine contamination, and urine is toxic to sperm.

Semen Analysis | Wake Forest Baptist Health

The semen analysis is a relatively inexpensive test and, given its importance, should be performed by an andrologist in a reproductive medicine laboratory. These clinicians have evaluated thousands of samples and are experts in evaluating subtle sperm abnormalities. About the Semen Analysis Procedure

Canine Semen Evaluation - AKC Canine Health Foundation

Canine Semen Evaluation ... If one cannot see individual sperm movement clearly, the sample should be diluted (often just a drop of semen and a small volume of extender is used), allowed to equilibrate and then be re‐evaluated. ...

Evaluating the Breeding Soundness of Beef Bulls

SEMEN EVALUATION A bull considered normal based on the general physical and reproductive organ examinations may still have low fertility due to poor semen quality and quantity. Under normal field conditions, a semen sample is usually collected from beef bulls by electro-ejacula-tion. The quality of semen obtained with the electro-

Collection and Evaluation of Semen -

Jan 27, 2003· At the other end of the spectrum are species like elephants and killer whales, where semen collection has been reported, but is far from a routine procedure. Core information on semen collection and evaluation is presented in the following topics: Semen Collection; Overview of Semen Handling and Analysis; Appearance of Semen and Sperm Concentration

NMSU: Evaluating the Breeding Soundness of Beef Bulls

SEMEN EVALUATION. A bull considered normal based on the general physical and reproductive organ examinations may still have low fertility due to poor semen quality and quantity. Under normal field conditions, a semen sample is usually collected from beef bulls by electro-ejaculation. The quality of semen obtained with the electro-ejaculator is ...

Post Vasectomy Sperm Count: What You Need To Know

The post vasectomy sperm count is a crucial part of the vasectomy process. A semen analysis is the only way to be sure that a man is sterile after his procedure. Why is this extra step so important? After a vasectomy, live sperm may still be present in a man's semen for a number of months.

Semen Sample Testing After Vasectomy - A Personal Choice

Semen Sample Testing After Vasectomy. Although vasectomy is highly successful at preventing sperm from returning to the ejaculate, a confirmatory semen sample test is recommended three (3) months after the vasectomy procedure. There is no charge for this test if performed by my office.

Semen Evaluation – The Horse

Jan 01, 2001· Sperm Chromatin Structure Assay — This test is designed to evaluate the integrity of sperm chromatin. The test is designed to assess the health of …

Problems Ejaculating for a Semen Sample -

If you cannot produce a semen sample via ejaculation, there is an alternative: surgical sperm retrieval. This is typically reserved for men who can't ejaculate for medical reasons, or for men whose ejaculate has zero sperm count. However, surgical sperm retrieval can …

SEMEN EVALUATION College of Veterinary Medicine, Kansas ...

College of Veterinary Medicine, Kansas State University Introduction Semen may be evaluated in bulls as part of the routine breeding soundness evaluation, for investigation of fertility problems and for use in A.I. Semen Collection and Handling Semen is usually collected from …

Canine Semen Collection and Evaluation | School of ...

Semen may be collected for a planned artificial insemination, cryopreservation (frozen in liquid nitrogen and stored for future use) or simply to evaluate the quality and quantity of sperm being produced. A single semen sample may not be representative of a male's semen quality and we recommend collecting multiple samples several days to weeks apart to evaluate any abnormalities.

Collecting a semen sample for sperm analysis

Before collecting a semen sample: Shower and wash your hands with soap and water. Refrain from using lubricant, saliva, or any product that may contain spermicidal agents. Ejaculate directly into the sterile sample cup. Try to capture the first part of the ejaculate and do not attempt to collect any spilled semen.