Afghan Hound

6 –12 months

American Cocker Spaniel

1–6 years

Australian Shepherd

2–4 years

Bichon Frise

2–6 years

Boston Terrier

Present at birth, juvenile, or late onset

Chesapeake Bay Retriever

1 year or older

Entelbucher Mountain Dog

1–2 years

German Shepherd

8 weeks or older

Golden Retriever

6 months or older

Havanese

2–6 years

Labrador Retriever

6 months or older

Miniature Schnauzer

Present at birth, 6 months, or older

Norwegian Buhund

1 year or older

Old English Sheepdog

Present at birth

Rottweiler

10 months or older

Siberian Husky

6 months or older

Staffordshire Bull Terrier

6 months or older

Standard Poodle

1 year or older

Welsh Springer Spaniel

Present at birth

West Highland White Terrier

Present at birth