Breed Rank Number of Evaluations Percent Normal Percent Affected
POMERANIAN 1 889 63.8 36.2
YORKSHIRE TERRIER 2 828 76.6 23.4

AUSTRALIAN TERRIER 3 274 81.0 19.0
TIBETAN SPANIEL 4 212 88.2 11.8
COCKER SPANIEL 5 1144 88.4 11.6
ENGLISH TOY SPANIEL 6 148 89.9 10.1
BOYKIN SPANIEL 7 498 90.4 9.6
MI-KI 8 313 90.7 9.3
CHOW CHOW 9 535 91.4 8.6
EURASIER 10 94 91.5 8.5
JAPANESE CHIN 11 270 91.5 8.5
BEDLINGTON TERRIER 12 125 92.0 8.0

RUSSIAN TSVETNAYA BOLONKA 13  53  92.5  7.5

LOWCHEN 14 84 92.9 7.1
PORTUGUESE PODENGO PEQUENO 15 129 93.0 7.0
TOY FOX TERRIER 16 245 93.5 6.5
CHINESE SHAR-PEI 17 433 94.0 6.0
SHIBA INU 18 1969 94.3 5.7
NORWICH TERRIER 19 1020 94.4 5.6
BIEWER TERRIER 20 162 94.4 5.6
BOSTON TERRIER 21 2684 94.4 5.6
CHIHUAHUA 22 1751 94.5 5.5
PUG 23 729 94.5 5.5
NEDERLANDSE KOOIKERHONDJE 24 73 94.5 5.5
SCOTTISH TERRIER 25 548 94.5 5.5
FRENCH BULLDOG 26 2372 94.6 5.4
NORFOLK TERRIER 27 353 94.9 5.1
COTON DE TULEAR 28 1752 95.0 5.0
BRUSSELS GRIFFON 29 121 95.0 5.0
TIBETAN TERRIER 30 205 95.1 4.9
CARDIGAN WELSH CORGI 31 62 95.2 4.8
PETIT BASSET GRIFFON VENDEEN 32 62 95.2 4.8
LHASA APSO 33 174 95.4 4.6
AMERICAN ESKIMO DOG 34 114 95.6 4.4
BULLDOG 35 1517 95.6 4.4
BICHON FRISE 36 2436 95.7 4.3
PULI 37 222 95.9 4.1
AFFENPINSCHER 38 309 96.1 3.9
DACHSHUND 39 745 96.1 3.9
RAT TERRIER 40 1260 96.3 3.7
MINIATURE BULL TERRIER 41 84 96.4 3.6
SCHIPPERKE 42 486 96.5 3.5
POODLE 43 3466 96.6 3.4
WEST HIGHLAND WHITE TERRIER 44 497 96.6 3.4
CHINESE CRESTED 45 681 96.6 3.4
COCKAPOO 46 120 96.7 3.3
AMERICAN HAIRLESS TERRIER 47 181 96.7 3.3
LABRADOR RETRIEVER 48 1337 96.7 3.3
MALTESE 49 375 96.8 3.2
PAPILLON 50 1827 96.9 3.1
SHETLAND SHEEPDOG 51 195 96.9 3.1
SILKY TERRIER 52 254 96.9 3.1
HAVANESE 53 5911 97.1 2.9
CAIRN TERRIER 54 214 97.2 2.8
BLOODHOUND 55 152 97.4 2.6
BULL TERRIER 56 151 97.4 2.6
ITALIAN GREYHOUND 57 884 97.4 2.6
KEESHOND 58 1290 97.4 2.6
PHARAOH HOUND 59 210 97.6 2.4
TOY AUSTRALIAN SHEPHERD 60 85 97.6 2.4
BEAGLE 61 206 97.6 2.4
BORDER TERRIER 62 1874 97.6 2.4
MINIATURE PINSCHER 63 266 97.7 2.3
CAVALIER KING CHARLES SPANIEL 64 6768 97.9 2.1
SOFT COATED WHEATEN TERRIER 65 387 97.9 2.1
FINNISH SPITZ 66 96 97.9 2.1
SAMOYED 67 51 98.0 2.0
ST. BERNARD 68 50 98.0 2.0 PUMI 69 50 98.0 2.0 HAVANA SILK DOG 70 259 98.1 1.9 SIBERIAN HUSKY 71 218 98.2 1.8 ALASKAN KLEE KAI 72 549 98.2 1.8 WIRE FOX TERRIER 73 60 98.3 1.7 LAGOTTO ROMAGNOLO 74 63 98.4 1.6 DOGUE DE BORDEAUX 75 243 98.4 1.6 ENGLISH COCKER SPANIEL 76 772 98.4 1.6 BLACK RUSSIAN TERRIER 77 251 98.4 1.6 CANE CORSO 78 134 98.5 1.5 CANAAN 79 136 98.5 1.5 FLAT-COATED RETRIEVER 80 2556 98.5 1.5 ALASKAN MALAMUTE 81 66 98.5 1.5 AKITA 82 1093 98.5 1.5 AUSTRALIAN SHEPHERD 83 592 98.6 1.4 BRITTANY 84 218 98.6 1.4 PYRENEAN SHEPHERD 85 142 98.6 1.4 RUSSELL TERRIER 86 151 98.7 1.3 GREAT PYRENEES 87 875 98.7 1.3 HYBRID 88 1373 98.8 1.2 NORWEGIAN ELKHOUND 89 84 98.8 1.2 GREATER SWISS MOUNTAIN DOG 90 566 98.8 1.2 SHIH TZU 91 749 98.8 1.2 BERNESE MOUNTAIN DOG 92 256 98.8 1.2 SMOOTH FOX TERRIER 93 277 98.9 1.1 AUSTRALIAN CATTLE DOG 94 281 98.9 1.1 AMERICAN PIT BULL TERRIER 95 278 98.9 1.1 PEMBROKE WELSH CORGI 96 204 99.0 1.0 RHODESIAN RIDGEBACK 97 192 99.0 1.0 BASENJI 98 419 99.0 1.0 ENGLISH SPRINGER SPANIEL 99 291 99.0 1.0 FINNISH LAPPHUND 100 107 99.1 .9 AMERICAN STAFFORDSHIRE TERRIER 101 463 99.1 .9 GOLDEN RETRIEVER 102 1173 99.1 .9 NOVA SCOTIA DUCK TOLLING RET. 103 395 99.2 .8 ROTTWEILER 104 781 99.2 .8 PARSON RUSSELL TERRIER 105 403 99.3 .7 GERMAN SHEPHERD DOG 106 430 99.3 .7 KUVASZ 107 158 99.4 .6 NEWFOUNDLAND 108 2253 99.4 .6 MINIATURE SCHNAUZER 109 318 99.4 .6 MINI AMERICAN/MINI AUSTRALIAN SHEPHERD 110 664 99.4 .6 LABRADOODLE 111 433 99.5 .5 GREAT DANE 112 203 99.5 .5 FIELD SPANIEL 113 183 99.5 .5 BOXER 114 212 99.5 .5 BOUVIER DES FLANDRES 115 390 99.5 .5 BORDER COLLIE 116 193 99.5 .5 MASTIFF 117 2993 99.7 .3 MANCHESTER TERRIER 118 74 100.0 .0 LEONBERGER 119 50 100.0 .0 KERRY BLUE TERRIER 120 50 100.0 .0 STAFFORDSHIRE BULL TERRIER 121 125 100.0 .0 WELSH TERRIER 122 89 100.0 .0 BELGIAN MALINOIS 123 129 100.0 .0 BULLMASTIFF 124 69 100.0 .0 BELGIAN TERVUREN 125 69 100.0 .0 CHESAPEAKE BAY RETRIEVER 126 125 100.0 .0 BRIARD 127 69 100.0 .0DOBERMAN PINSCHER 128 95 100.0 .0