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Featured News: Five New Labs Added to the SBS International Network

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December 03, 2014

Five New Affiliates 2014 We are excited to share with you the addition of five new laboratories to the SBS International Affiliate Laboratory Network. The three new SBS Affiliated Labs in the US are Weatherford Equine Clinic in Texas; Humphrey, Giacopuzzi and Associates in CA; and Equine Services Hospital in Kentucky. Two new labs were added to the International Network; Knocke Arabians in Belgium and Qatar Racing and Equestrian Club in Qatar. We shall be highlighting each one of these equine clinics in future issues of the newsletter. We are glad to welcome them to the SBS Network and look forward to developing new friendships and extending our SBS services to more clients throughout the world.

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Featured Blog: Effect of Number and Timing of Equine Frozen Semen Inseminations on Fertility

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December 03, 2014

Further expansion in the use of frozen semen is dependent upon developing simplified strategies for insemination. SBS has developed a timed insemination protocol where mares are only examined once per day during estrus and inseminated at 24 and 40 hr after hCG or 30 and 40 hr after GnRH. This approach allows frozen semen mares to be managed similar to those bred with cooled shipped semen. A couple of arguments against this approach with frozen semen is that it takes too much semen when mares are bred twice in one cycle and that if the mare is inseminated more than once per cycle the fertility will be lowered because of post-breeding induced endometritis. However, in a new retrospective study across 1871 mare cycles bred by SBS affiliate labs, we report additional support for the use of two inseminations per breeding cycle.

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Featured Question

How long does it take to deplete stored sperm?

Depletion of aged stored sperm, that do not withstand the rigors of freezing very well, typically requires at least three “clean out” collections and sometimes more depending upon the individual stallion and how frequently he has recently been bred. Some stallions have a tendency to accumulate sperm in the reproductive ducts and require many more clean outs to acquire good quality sperm.

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