Size of muzzle: D1 EB - English Bulldog SL - Saluki F2 - French Bulldog Big OB2 11 R1L 4L B - Boston Terrier BC - Border Collie BT D3 R3L EM - English Mastiff J2 P - Pitbull R3 6L B1 D - Doberman small DD1 - Great Dane small RR - Rodesian Ridgeback F - French Bulldog 1 R1 9 B3.5 D1 - Doberman big EB1 - English Bulldog small T - Terrier GSD - German Shepherd OB3 12 R2 2 5 B0 BG - Beagle BX - Boxer DBD - Dogue de Bordeaux R4 EM1 - English Mastiff 0 R - Rottweiler 3 7 B2 D0 - Doberman small bitch DH - Datchhund SH - Shih Tzu F1 - French Bulldog Big OB1 10 R1 - Rottweiler 4 A - Amstaff B4 BM - Bullmastiff D2 R3.5 EB2 - big English bulldog, short snout big dogs J1 OB4 13 R2L 6 B0.5 BX1 - Boxer small DD - Great Dane RB - Russian Borzoi EM2 - English Mastiff M - malinois R0 3.5 8 B3