Featured Blog: Placentitis in the Mare - Causes, Diagnosis, and Treatment

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April 01, 2014

Posted by Dr. Karen Wolfsdorf in Mare Management

Placentitis, an inflammation of the placenta usually caused by an infectious agent, has emerged as a leading cause of reproductive loss in the equine breeding industry. This has a large economic and emotional impact when the pregnancy progresses until close to term but unfortunately ends in abortion or the birth of a small ill-thrifty foal. The placenta is composed of the amnion, which surrounds the fetus, and the chorio-allantois that attaches to the endometrium of the mare. These structures protect the fetus and provide gas and nutrient exchange allowing the foal to grow. When placentitis occurs it usually affects the chorioallantois compromising the foal because there is a loss of attachment of the placenta to the endometrium or the presence of infection and inflammation.

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What Is Progressive Motility?

September 25, 2013

Posted by Paul Loomis in Industry

The most commonly used measure of semen quality is sperm motility, specifically “progressive motility”. But what exactly does that mean and how is it determined? The minimum post-thaw “progressive motility” generally recommended for commercial distribution of frozen semen is 30% to 35%. This article will address some of the factors that can affect the assessment of sperm motility as well as the various problems associated with techniques used for determining “progressive motility”.

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What Exactly is a Dose of Frozen Semen?

August 21, 2013

Posted by SBS in Frozen Semen

Is a dose a breeding? Is a straw a dose? How many straws in a dose? How many sperm in a dose? These are often questions we hear from our clients when purchasing or using frozen semen. There is so much variability in the format of doses sold throughout the world that it can be confusing at times. To ensure you have the best opportunity of success when breeding your mare it is important to understand all the elements that determine an adequate dose of frozen semen. Here we review frequently asked questions that relate to what constitutes a dose of frozen semen.

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Understanding Your Frozen Semen Shipment Transaction Report

July 24, 2013

Posted by SBS in Frozen Semen

tank envelopeEvery shipment that we send from Select Breeders Services includes an envelope of materials, zip tied to the top of the frozen semen shipper, that provides information about the semen we are sending to you. Included in the envelope are the following items:
- Transaction Report
- Safety Notice for Handling Frozen Semen
- Thawing and Handling Instructions
- Info sheet on Management of Mares with Frozen Semen
- Return FedEx airbill and address label
- Info notice regarding tank rental and return
- Additional materials may include notices prepared by the stallion owner that they have requested us to include with the shipment, e.g. breeding and insemination certificates.

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Please Note - photos used in these news articles are available in the public domain, have been purchased through istockphoto or (when referencing breeders or horses) have been submitted to Select Breeders Services Inc. by the breeding farm or horse owner. Photo credit has been provided where applicable. If at anytime you see something that needs to be addressed please feel free to contact us directly.