Breed

Weight

Neck Size (inches)

S

M

L

Afghan Hound

58-64 lbs.

16

19

22

Airedale Terrier

42-45 lbs.

16

19

22

Akita

75-88 lbs.

20

22

24

Alaskan Malamute

75-85 lbs.

18

21

24

Australian Shepherd

30-45 lbs.

14

17

20

Basset Hound

40-53 lbs.

16

19

22

Beagle

18-30 lbs.

12

15

18

Bichon Frise

7-12 lbs.

10

12

14

Bloodhound

88-105 lbs.

22

25

28

Border Collie

40-50 lbs.

14

16

18

Boston Terrier

15-26 lbs.

12

15

18

Boxer

55-73 lbs.

18

20

22

Bulldog

48-55 lbs.

18

21

24

Bull Terrier

50-62 lbs.

16

19

22

Chow

50-63 lbs.

18

21

24

Cocker Spaniel

24-30 lbs.

12

15

18

Collie

50-75 lbs.

18

20

22

Dachshund

18-22 lbs.

12

15

18

Dalmatian

50-65 lbs.

14

17

20

Doberman Pinscher

60-88 lbs.

18

21

24

English Setter

60-70 lbs.

18

21

24

English Springer Spaniel

48-55 lbs.

14

17

20

Eskimo

66-110 lbs.

20

22

24

Fox Terrier

14-18 lbs.

10

13

16

German Shepherd

77-90 lbs.

18

21

24

German Shorthaired

55-70 lbs.

20

22

24

Golden Retriever

65-77 lbs.

18

21

24

Great Dane

110-135 lbs.

20

23

26

Great Pyrenees

90-125 lbs.

23

27

30

Great Spitz

35-45 lbs.

14

17

20

Irish Setter

30-57 lbs.

16

19

22

Keeshond

53-68 lbs.

18

20

22

Komondor

120-130 lbs.

26

29

32

Labrador Retriever

55-80 lbs.

18

20

23

Lhasa Apso

13-17 lbs.

12

14

16

Maltese

6-10 lbs.

10

12

14

Mastiff

150-190 lbs.

25

29

32

Newfoundland

115-150 lbs.

16

29

32

Norwegian Elkhound

40-50 lbs.

18

20

22

Old English Sheepdog

60-75 lbs.

18

21

24

Pointer

42-68 lbs.

18

21

24

Poodle, Miniature

9-11 lbs.

8

10

12

Poodle, Standard

45-55 lbs.

12

15

18

Pug

14-18 lbs.

12

14

16

Rottweiler

100-130 lbs.

24

27

30

Saint Bernard

130-230 lbs.

26

28

32

Schnauzer, Giant

70-80 lbs.

20

23

26

Schnauzer, Mini

13-17 lbs.

10

13

16

Scottish Terrier

19-25 lbs.

14

17

20

Shetland Sheepdog

14-20 lbs.

12

15

18

Shih-Tzu

12-18 lbs.

10

12

14

Siberian Husky

45-65 lbs.

16

19