Featured Blog: Can Genetics Turn the Art of Stallion Selection into a Science?

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February 03, 2016

Posted by S.A. Brooks and L. Patterson-Rosa in Industry

Genetics_Horse Chromosomes The horse genome contains all the information required to direct the growth and function of a foal, from conception to death. This enormous “text” is organized into chromosomes, much like the volumes of an encyclopedia. The domesticated horse possesses 32 unique chromosomes, and most cells carry two copies of each chromosome for a total of 64. Gametes of course are the exception, carrying just one of each of the chromosome pairs to the future offspring. This article will discuss information about genotype vs. phenotype, genetic testing, recent genetic studies performed on stallions, and current genetic research being performed on the "freezability" of stallion sperm.

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Influence of Mare Status When Breeding With Frozen Semen

January 08, 2016

Posted by Dr. Sandro Barbacini in Breeding with Frozen Semen

Mare and Baby Whether a mare is maiden, recently foaled, or barren can influence her ability to conceive when breeding her with frozen semen. The first pregnancy obtained by using frozen-thawed semen in the equine species dates back to 1957 and was obtained using epididymal semen. However, for many years this reproductive technology has achieved limited progress in the horse compared with other species such as cattle. This was mainly because for a very long period of time only a few horse registries allowed the use of frozen-thawed semen. Hence, economic interests and resources allocated to research have always been minimal and as a result obstructing advances in this area.

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Embryo Transfer and Frequently Asked Questions

December 11, 2015

Posted by Dr. Phil Matthews in Mare Management

embryo By now, most people in the breeding industry know what embryo transfer (ET) is however there is still a little confusion or misconception. I would say that the increased use and knowledge of in vitro fertilization, popularly referred to as ICSI (Intracytoplasmic Sperm Injection), has led to some of this confusion. We hear people interchanging the words embryo and egg as if they are the same thing. Let’s take a minute to draw a simple distinction between the two procedures.

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How to Prepare the Older Mare for Breeding Season

October 30, 2015

Posted by Dr. Dave Scofield in Mare Management

How to Prepare Your Older Mare - Mare and Foal Older mares have a knack for being the sweetest and gentlest mares on the farm. We see them year after year, either carrying their own foals or returning to donate embryos if their reproductive status requires. Oftentimes, these mares are considered “special” patients, requiring a unique combination of diet, exercise, and metabolic support to maintain their physical and reproductive health. We often see older performance mares that are being bred for the first time following a long and successful show career. Reproductive problems such as cervical adhesions and uterine infection can be common in older mares which affect their ability to carry a foal or donate an embryo.

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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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