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