The Process Of Equine DNA Testing

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Title: The Process Of Equine DNA Testing
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The Process Of Equine DNA Testing

By Eula Clarke


All living things are defined by DNA. It is the blueprint for life because it codes for information on everything from nutrition to reproduction, respiration, and appearance. Biotechnology has been a revolution not only for humans but also for animals. Today, it is possible to predict disease or genetic disorder, establish parentage and predict phenotype in offspring. Such are the uses of equine DNA testing.

There are various why one would like their horse tested. One is to establish parentage before breeding. It is always very crucial to determine pedigree information scientifically before making any breeding decisions. Observation, manual identification and record keeping may not be adequate and are prone to errors.

The aim of selective breeding is to come up with animals of superior performance or with certain phenotypic characteristics. Use of DNA ensures that this aim is met. The technology of genes may also be applied to determine if a horse possesses the risk of suffering from a certain disease. A genetic profile of the equine should reveal its set of genes from which an analyst can determine probability.

There are numerous laboratories where these tests can be done. A search on any of the search engines reveals quite a number. All you have to do is follow the instructions for collecting samples and collect them. After collection, you may send them to any of the laboratories through the mail and from almost all countries around the globe.

The prices are different depending on the type and number of tests to be performed. After analysis, the company will send the results to you through email or through an account on their website. They are usually in the form of a chart used to display genetic information, but they will contact you by the telephone to clarify and help you understand the implications for the horse.

The collection of samples for testing is not a difficult process. Most tests will require hair from the mane or the tail. Other samples may include cells collected from inside the horses cheek by use of a soft cheek brush. Some other tests may require blood as sample. In such cases, 3ml whole blood is collected using a syringe and stored in an EDTA Vacutainer and labeled. After labeling, it may then be sent to the lab through regular mail.

Once inside the laboratory, the first step is to extract DNA. The hair follicle cells are used in the case of hair, and the cheek and blood cells are separated until the nucleus is obtained. Once extraction is complete, specialized genetic methods are used to produce a profile or genotype of the equine through the use of a standard twelve specific gene marker. From each marker, there are two alleles and one is from each parent.

DNA technology has become important in our lives and also that of other living beings on Earth. Breeders are able to determine parentage of a horse from the tests. However, the sire and the dam have to be registered prior to the test in order to match the genes of the foal.




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