Instructions
Look for similar characteristics to other dog breeds in your Labrador mix. Unique markings, wrinkles, colors, coat length, ears and tail can all be indicators of a specific breed. Review comprehensive dog breed pictures and descriptions online or in books to compare similarities.
Consider body and head size. The Labrador mixed breed's size will often be a combination of both parents. Since Labradors are typically medium-size dogs, you can narrow the mixed breed by size. If your Labrador mix is smaller than average, the mixed breed is most likely a small breed dog. If your Labrador mix is larger than average, the mixed breed is most likely a large breed dog.
Watch for behavioral traits in your Labrador mix that may compare to other breeds. For example, sheepdogs (collies, shepherds, etc.) have the ability to easily learn and follow their handler's commands. Terriers are high-energy hunters. Look for these standard behavioral traits to match your dog's lineage with another breed.
Study breed-specific health problems to which your Labrador mix may be prone. If the condition is genetic, it may have been passed down to the dog through its parents. Hip dysplasia, respiratory difficulties, cataracts, skin conditions and epilepsy are just a few of the common canine health problems associated by breed.
Test the dog's genetic make-up to determine the exact breeds of the Labrador mix. Speak with your veterinarian about taking a DNA sample or blood test to obtain a list of breeds. Results of the test typically come back within four weeks and can run you between $125 and $200, on average (as of July 2011).
How to Tell What a Lab Is Mixed With
Determining what your Labrador is mixed with is not an easy task, even for a trained dog expert. This is especially true for mixed breeds that had mixed breed parents. Owners must compare the dog's body type and colors with behavioral traits and health issues to narrow down the results. If the genetic makeup of your dog must be known, DNA testing can be undergone by a veterinarian to find the breeds with which your Labrador is mixed.