Stored Semen Processing Method Evaluated

A scaled-up single layer centrifugation method improved stored semen quality.
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While artificial insemination (AI) might not be every breeders’ first choice of breeding method, it does offer flexibility in accommodating stallion and mare schedules, as well as access to the worldwide market. Further, researchers are continually improving the methods by which semen is processed to improve the quality buyers receive.

Jane Morrell, FRCVS, of the Swedish University of Agricultural Sciences recently lead a research team in testing a scaled-up method of semen processing designed to improve AI efficacy.

"Our previous studies have shown that stallion sperm quality could be improved using single layer centrifugation (SLC) through the colloid Androcoll-E," explained Morrell.

"In the current study with stored semen, we have shown that it is also possible to improve sperm quality in AI doses that have been shipped to other studs, and that one can prolong the ‘shelf-life’ of the semen doses in this manner if it is not needed for AI on the day that it is received at the stud," she added

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Freelance journalist Natalie DeFee Mendik is a multiple American Horse Publications editorial and graphics awards winner specializing in equestrian media. She holds an MA in English from Colorado State University and an International Federation of Journalists’ International press card, and is a member of the International Alliance of Equestrian Journalists. With over three decades of horse experience, Natalie’s main equine interests are dressage and vaulting. Having lived and ridden in England, Switzerland, and various parts of the United States, Natalie currently resides in Colorado with her husband and two girls.

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