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Featured News: SBS Italia Moves to New Facility

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March 07, 2017

SBS Italia_Mare Palpation Photo 2017 Since January 1, 2017, Select Breeders Services Italy (SBS Italia) transferred their business to Studio Veterinario Associato Luretta.  Their facility is located in Gazzola, which is not far from Piacenza, and provides veterinary care for small animals and horses.  The practice was founded in 1997 and is owned by three partners: Dr. Antonino Calza, Dr. Carlo Brigati and Dr. Roberto Casaroli. Dr. Sandro Barbacini of SBS Italia and Dr. Casaroli have known each other for many years since they both attended the Faculty of Veterinary Medicine of Parma.

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Featured Blog: Is the Volume of the Inseminate Important for Fertility?

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March 05, 2017

Dose Volume_Cooled vs Frozen A common question asked by many breeders is whether the volume of semen deposited into the mare affects fertility. When a mare and a stallion mate naturally the entire ejaculate is deposited into the mare. This volume is usually 50 ml or more and includes several billion sperm. However, when breeding mares using artificial insemination, good fertility can be achieved with as little as 1/2 ml of semen. I have been telling breeders for years that the volume of the ejaculate is not important as long as the stallion is producing good sperm numbers. For example, a stallion can produce 8 billion sperm with 80 ml of semen at a concentration of 100 million sperm/ml or 20 ml of semen at a concentration of 400 million sperm/ml. Volume of the ejaculate and concentration are inversely related (i.e. if volume goes up then concentration goes down).

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Featured Question

How many sperm do you put in a dose?

A breeding dose prepared by an SBS Affiliated Laboratory includes a minimum of 800 million total sperm per dose AND exceeds the industry recommended minimum of 200 million progressively motile sperm per dose after thawing.

See also:

It Only Takes One...Right?

Not All Frozen Semen is Created Equally

Questions Every Mare Owner Should Ask Before Breeding With Frozen Semen

What Exactly is a Dose of Frozen Semen

What is Progressive Motility?


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Doyle and Kate Dertell - Testimonial"All of our overseas quarantine semen is handled by SBS worldwide. SBS makes the job easy to ship our semen on time, every time. We chose SBS because..."

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