Animal DNA Testing

DDC Veterinary 1-800-625-0874

Canine DNA Frequently Asked Questions

Q: What makes DDC Veterinary different from other animal DNA testing laboratories?

A. We have the following advantage over all others:

  • Lowest Fees
  • Fastest Turnaround
  • Exceptional service and follow-up
  • Powerful testing options

Q: How is DNA Testing performed?

A. The technology we use most often is PCR or polymerase chain reaction testing. First we isolate pure DNA from the cheek swab by removing all the proteins and other things that can be found within a cell.

The DNA is then placed into a thermocycler along with fluorescent primers for specific "loci" or locations on the DNA which enable the system to locate specific fragments of DNA. The thermocycler is set to cycle through a certain number of temperature cycles. Throughout the cycles, the primer finds specific areas within the DNA that are repeated and amplifies those areas. After the DNA has been amplified, it is in an ABI Prism Genetic Analyzer for capillary electrophoresis. In this process, the DNA loci are mapped and data on each is collected. This results in a comprehensive "profile" of each individual. These individual profiles are then reviewed by a trained, experienced Ph.D.

Q: How do I order Canine DNA Testing?

A. Call 1-800-625-0874, email us at, or order from the testing pages online at


Q: Can I test my dog to find out what breed it is or prove that it is purebred?

A: Visit our Dog Breed DNA Testing Page for more information on this question.


Q: For parentage testing, why should I send the mother’s sample if I already know
she is the mom?

A: Having the mother’s DNA makes testing much more powerful.


Q: Can parentage testing be done without the mother’s sample?

A: Yes, when the mother is not available, extended testing can be done to determine proper parentage.


Q: What kind of sample is needed?

A: The preferred method is the buccal (cheek) swab but we are capable of testing on a variety of sample types.


Q: How long does it take to get results?

A: For parentage tests, results are ready in 10 business days from receipt of samples in our laboratory.


Q: At what age can testing be done?

A: Cheek samples can be obtained from dogs of any age.


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