Dogs 81 plus use the Large Dog Trotter.

Breed Coat Shedding Grooming Children Exercise Height(") Weight(#)
Akita Medium Seasonal Moderate   Regular 26-28 85-130
Alaskan Malamute Thick Constant Weekly Older Regular 24 75-85
American Bulldog Short Short bristles Minimal Can be Regular 22-28 70-100
Anatolian Shepherd Medium Seasonal Minimal   Heavy 28-30 100-150
Beauceron Medium Average Minimal   Heavy 24-27 110
Bernese Mountain Dog Long Seasonal Daily Great Regular 25-27 80-90
Black Russian Terrier Wiry, wavy Little Weekly Great Regular 27-30 80-140
Bloodhound Short Average Minimal Great Regular 26 90
Bluetick Coonhound Course and Short Average Minimal Older Daily 20-28 45-80
Boerboel Short and dense Average Minimal Good with training Daily 23-28 120-180
Borzoi Long Seasonal Moderate   Heavy 28 75-105
Bouvier Des Flanders Long Little Weekly Great Regular 24-27 90-100
Bullmastiff Short Little Minimal   Regular 25-27 125-130
Cane Corso Short, course and thick Average Minimal Good Daily 24-27 1/2 90-125
Central Asian Shepherd Dog Dense Once annually Minimal Supervised Plenty 24-32 90-175
Doberman Pinscher Short Average Minimal Good Daily 23-27 90-140
Dogue de Bordeaux Short Average Minimal Good Heavy 26-28 65-85
Great Dane Short Average Moderate   Heavy 32+ 120-160
Great Pyrenees Long Seasonal Moderate Older Heavy 27-32 100
Greater Swiss Mountain Dog Short Average Moderate Older Regular 25-28 135
Irish Wolfhound Medium Average Weekly Great Regular 32 120
Komondor Corded Little Moderate   Regular 27 100
Kuvasz Thick Constant Weekly   Heavy 28-30 100-115
Mastiff Short Average Minimal Good Regular 30 175-220
Neapolitan Mastiff Wrinkled Average Minimal Good Heavy as adult 24-31 110-150
Newfoundland Long Seasonal Daily Great Regular 28 130-150
Otterhound Long Average Weekly Older Heavy 27 115
Rhodesian Ridgeback Short Average Minimal   Regular 25-27 85
Rottweiler Short Average Minimal Good Heavy 25 95-130
Saint Bernard Thick Constant Minimal Good Minimal 28 120-180
Scottish Deer Hound Wire Average Moderate Great Heavy 31 65-110
Tibetan Masiff Double and full Once a year Weekly Good, if socialized REgular 26 100+