The following are links we think you might find of interest.

American Kennel Club | AKC English Setter | www.akc.org/dog-breeds/english-setter/

American Kennel Club | AKC Labrador Retriever | www.akc.org/dog-breeds/labrador-retriever/

OFA | Orthopedic Foundation for Animals, Inc. | www.ofa.org

Optigen | Optigen LLC. | www.optigen.com

National Labrador Retriever Club | www.nationallabradorretrieverclub.com

The Kennel Club (UK) | English Labrador Retrievers | www.thekennelclub.org.uk/services/public/breed/display.aspx?id=2048

Veterinary Diagnostic Laboratory | UofM | www.vdl.umn.edu/services-fees/canine-neuromuscular-eic