Fractionated collection and their main benefits in the stallion sperm cryopreservation
DOI:
https://doi.org/10.35172/rvz.2017.v24.281Keywords:
equine, fractionated collection, semenAbstract
Equine semen is collected by conventional way, with a closed artificial vagina, where all the
fractions are mixed. However, semen collection discontinuously, separating the different
fractions of the ejaculate, each of these fractions have a greater or lesser amount of seminal
plasma, being the sex accessory glands responsible for their production. Each stud has
individual characteristics with respect to the maintenance of sperm cells during the
cryopreservation, these characteristics may be related to production of seminal plasma as well
as the various components making up. It is known that there is a deleterious effect played by
components of seminal plasma mainly produced by the seminal vesicles, the sperm cells
during the cryopreservation process, however, these factors are still unknown. Several
hypotheses are suggested such as reducing the production of lipids and proteins and the types
of ions present in each fraction of the ejaculate. Knowing this, the fractional harvest can be
beneficial to sperm, so that the first fraction have no contact with seminal plasma produced by
the seminal vesicles, allowing for better maintenance sperm during cryopreservation.
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