Coat Length (Fluffy)

How do I Know if my Dog Carries the Mutation for Coat Length?

DDC Veterinary offers DNA testing for varying coat length genotypes among several dog breeds. By identifying the genotypes of the parents, clients can more accurately predict the possible occurrences of these differing phenotypes in future offspring. Breeders can use DNA testing as a tool to more effectively manage mating patterns and make more informed selection decisions.

Hair Length (DNA marker tested – FGF5:c284G>T): Long-haired coat length is inherited as an autosomal recessive trait. Therefore, dogs that are carriers of the long-hair mutation usually appear to be normal (short hair) themselves, while some may have a slightly thicker or plush coat. The carriers will likely pass on the long-hair allele 50% of the time.

DNA results are emailed within 5 business days, once all samples are received at the laboratory.

Not sure if you need this test? Check the list below or contact us for a free consultation.

Breeds We Test for Coat Length

Alaskan Malamute, Bulldog, Bullmastiff, Chihuahua, Cardigan Welsh Corgi, Chesapeake Bay Retriever, Dachshund, Dalmatian, English Mastiff, German Shepherd Dog, Labradoodle, Labrador Retriever, Norfolk Terrier, Norwich Terrier, Pembroke Welsh Corgi, Rottweiler, Samoyed, Schipperke, Shiba Inu, Weimaraner.

Your Coat-length DNA-test kit includes:

• Sterile DNA-collection swabs
• Complete instructions
• Postage-paid return envelope (if mailed in the U.S.)

Understanding Results

There are 3 possible genotypes reported for coat length:

• CLEAR : FGF5:c284G>T -/-; (those having 2 copies of the normal allele)
• CARRIER: FGF5:c284G>T +/-; (those having 1 copy of the normal allele and 1 copy of the long-hair mutation)
• AFFECTED: FGF5:c284G>T +/+; (those having 2 copies of the long-hair mutation)