Small (2-22lbs) (1-10kg).

Breeds typically considered small:

·      Affenpinscher

·      American Cocker Spaniel

·      Australian Silky Terrier

·      Australian Terrier

·      Basenji

·      Bedlington Terrier

·      Bichon Frise

·      Border Terrier

·      Boston Terrier

·      Cairn Terrier

·      Cavalier King Charles Spaniel

·      Chihuahua

·      Chinese Crested

·      Dachshund (miniature)

·      Dandie Dinmont Terrier

·      English Toy Terrier

·      Fox Terrier

·      French Bulldog

·      German Spitz (small)

·      Griffon

·      Italian Greyhound

·      Jack Russell Terrier

·      Japanese Chin

·      Japanese Spitz

·      King Charles Spaniel

·      Lakeland Terrier

·      Lhasa Apso

·      Lowchen

·      Maltese Terrier

·      Manchester Terrier

·      Norfolk Terrier

·      Norwich Terrier

·      Papillon

·      Pekingese

·      Phalene

·      Pinscher (miniature)

·      Pomeranian

·      Poodle (miniature)

·      Poodle (toy)

·      Pug

·      Schipperke

·      Schnauzer (miniature)

·      Scottish Terrier

·      Sealyham Terrier

·      Shetland Sheepdog

·      Shih Tzu

·      Tibetan Spaniel

·      Tibetan Terrier

·      Welsh Terrier

·      West Highland White Terrier

·      Yorkshire Terrier

Medium (23-57lbs) (11-26kg).

Breeds typically considered medium:

• American Water Spanial

• Australian Kelpie/Cattle Dog

• Basset Petit Griffon Vendeen

• Beagle

• Border Collie

• Brittany Spaniel

• Bull Terrier

• Canaan

• Cocker Spaniel (English)

• Collie (rough/smooth/bearded)

• Dachshund (standard)

• Elkhound

• English Springer Spaniel

• Field Spaniel

• Finnish Spitz

• Foxhound

• Glenn of Imaal Terrier

• Irish Terrier

• Keeshound

• Kerry Blue Terrier

• Norwegian Buhund

• Pharaoh Hound

• Pinscher

• Portuguese Waterdog

• Puli

• Saluki

• Samoyed

• Schnauzer

• Shar-Pei

• Sheba Inu

• Siberian Husky

• Skye Terrier

• Soft Coated Wheaten Terrier

• Staffordshire Bull Terrier

• Sussex Spaniel

• Welsh Corgi (Pembroke/Cardigan)

• Welsh Springer Spaniel

• Whippet 

Large (58-99lbs) (27-45kg).

Breeds typically considered large:

• Afghan Hound

• Airedale

• Alaskan Malamute

• Basset Hound

• Belgian Shepherd Dog

• Bernese Mountain Dog

• Borzoi

• Bouvier Des Flandres

• Boxer

• Briard

• Bulldog

• Chesapeake Bay Retriever

• Chow Chow

• Clumber Spaniel

• Curly-Coated Retriever

• Dalmatian

• Deerhound

• Doberman

• English Setter

• Eskimo Dog

• Estrela Mountain Dog

• Flat-Coated Retriever

• German Shepherd

• Golden Retriever

• Gordon Setter

• Greyhound

• Hovawart

• Hungarian Vizsla

• Ibizan Hound

• Irish Setter

• Irish Water Spaniel

• Italian Spinone

• Japanese Akita

• Labrador Retriever

• Maremma Sheepdog

• Munsterlander (large)

• Old English Sheepdog

• Otterhound

• Pointer

• Poodle (standard)

• Schnauzer (giant)

• Rhodesian Ridgeback

• Rottweiler

• Weimaraner