Featured Blog: The Test Freeze - The First Freeze Performed on a Stallion's Semen

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August 28, 2015

Posted by SBS in Frozen Semen

The Test Freeze - Straws on Rack The test freeze is the first freeze performed on a stallion when he comes to a Select Breeders Services (SBS) Affiliate Lab to have semen frozen. We primarily have four different semen freezing protocols that we test on each stallion. The differences between each protocol being in either the extender formulation or the rate of cooling. For subsequent freezes we choose the protocol which gives the best results as determined by post-thaw motility. Regardless of the protocol, once the straws of semen reach -120 degrees Celsius in the programmable cell freezer they are then plunged into a bath of liquid nitrogen at -196 degrees Celsius.

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A Stallion Breeding Soundness Exam

July 30, 2015

Posted by Dr. Ed Squires in Stallion Management

CASA In our previous article, My Stallion is Not Settling His Mares…What Do I Do?, we discussed possible causes for the decline in a stallion’s fertility and areas of reproductive management one can investigate further to determine if the infertility can be suitably managed or resolved. One tool a stallion owner/manager can use to better understand the reproductive status of their stallion is to have a breeding soundness exam (BSE) performed. In this article, Dr. Ed Squires outlines the components of a routine BSE which include: physical exam, reproductive history, testes palpation and/or ultrasound, semen evaluation, cultures and an assessment of his sexual behavior. Whether the stallion passes or fails, a BSE provides valuable information on how to  manage the stud and gives an indication of the number of mares he could breed.

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My Stallion is Not Settling His Mares...What Do I do? - Part 2

June 25, 2015

Posted by SBS in Stallion Management

CollectionHow a stallion owner/manager responds to and handles mare owner concerns regarding semen quality or fertility can make or break a relationship or reputation. This article aims to give stallion owners an overview of the factors involved and provide a systematic guide to troubleshooting a resolution if possible. In Part 1 of this article, published in last month’s newsletter, we discussed the stallion’s breeding history, the importance of a breeding soundness exam (BSE), and stallion management practices as well as semen quality and evaluation. This month in Part 2, we will review common problems identified after the semen evaluation, the relevance of the mare book and their reproductive status and discuss the topic as it relates to those stallions breeding with frozen semen.

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My Stallion is Not Settling His Mares...What Do I do? - Part 1

June 02, 2015

Posted by SBS in Stallion Management

istock_Stallion 2 It is around this time of year that we receive calls for advice from anxious stallion owners concerned about a lower than anticipated conception rate for their stallion, in the hopes of finding some resolution and correcting any potential issues before the end of the breeding season. Time is running out to fulfill those breeding contracts and get those mares pregnant. There are so many variables that contribute to successful conception and pregnancy, from both the mare and the stallion side of things. From the stallion owners perspective they are looking to address the stallion’s semen quality, breeding management and reproductive status. But where to start? This article will give stallion owners an overview and provide a systematic guide to troubleshooting a resolution if possible. How a stallion owner/manager responds to and handles mare owner concerns regarding semen quality or fertility can make or break a relationship or reputation.

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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.

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