75:
404:
1686:
45:
385:, and intermediate colors with a white tail tip were permitted. White markings were common on most extremities (tip of the tail, muzzle, and paws). However, belly spots or chest spots were not acceptable and were considered faults. Solid white coats were not desirable, as they could only be distinguished from common white blue-eyed cats with genetic tests. Solid white blue-eyed
372:
was known for its bluish eyes, which were large and round. The neck was arched. The tail was proportionate to the cat's body. The head was somewhat triangular in inscribe. It had a slightly rounded forehead and an angular muzzle. The nose had a slight break. The coat was short, fine, soft, silky, and
314:, all of which suppress pigmentation, this gene is not linked to any specific fur color or pattern, giving the opportunity to have cats with dark coats and blue eyes. The blue eye color seen in cats such as the Siamese and the
265:. It was discovered that cranial defects may be linked to the gene, and breeding was temporarily suspended. Eventually, breeders stopped working with cats bearing this blue eye mutation and the breed became officially extinct.
126:
353:, those lethal genetic mutations did not manifest. The result was that breeders crossed the blue-eyed cats with non-blue-eyed cats, assuring a litter of about 50/50 blue/non-blue-eyed kittens.
427:, as they are not descending from Cornflower. The cats bear DBE mutations, and are developed into new cat breeds or approved as eye coloration variants in existing breeds by certain
1715:
320:
is due to the same physical phenomenon, the absence of melanin in the iris. Although the cause of the absence of pigment differs between
Siamese, white cats, and
245:
have always been a very rare breed. In 1992, only ten cats were known. The breed, in both short and long hair variety, was accepted for registration by
1497:
392:
222:
named
Cornflower. She was bred to males without the trait, which proved to be dominant, as all her kittens showed it. The breed was founded and named
1032:
1012:
651:
1640:
373:
shiny. The undercoat was not particularly developed, but most were dense in color. All colors were allowed. However, only particolors (
1547:
1037:
190:, and intermediate colors with a characteristic white tail tip were permitted. The breed also had a semi-longhaired coat variety, the
1052:
1007:
469:
246:
121:
473:
1720:
281:
were remarkable for their deep blue eyes. The depth of color in the eyes is described as being greater even than that seen in a
1081:
1537:
1532:
408:
1602:
1027:
766:
1725:
1666:
1552:
1527:
1047:
915:
865:
178:
caused by a dominant blue eye (DBE) genetic mutation. The breed came in all coat colors; however, only particolors (
1022:
644:
1645:
1502:
920:
796:
1612:
1522:
1017:
1661:
1625:
1472:
1630:
349:
it caused cranial deformities, white fur, a small curled tail, and stillbirth. However, when the gene was
1671:
1577:
1542:
1042:
925:
910:
637:
255:
Breed Group
Standard is dated January 5, 2004. Only cats descending from the original foundation female
87:
407:
Modern dominant blue-eyed black tabby kitten of the
Celestial experimental breed, which is approved by
336:
1269:
1164:
1062:
885:
1710:
1635:
1517:
1364:
1149:
1119:
900:
850:
303:
1587:
1492:
1284:
1194:
1109:
1075:
1057:
778:
311:
20:
421:, several other dominant blue eye (DBE) genes have been found in cats worldwide. These are not
1620:
1567:
1124:
845:
818:
801:
733:
707:
590:
219:
1239:
1219:
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229:
211:
187:
162:
1572:
1264:
989:
835:
811:
771:
44:
484:
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104:
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80:
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977:
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1229:
1209:
1204:
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1134:
967:
855:
743:
723:
668:
346:
215:
100:
1299:
1294:
1179:
1159:
1154:
937:
728:
718:
686:
608:
552:
345:
without the lethal genetic defects. It was discovered that when the gene is
290:
167:
578:
512:
594:
1512:
1507:
1434:
1359:
1254:
1144:
972:
905:
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286:
1462:
1405:
1304:
1457:
1374:
1274:
1129:
947:
806:
691:
218:. The first cat with the characteristic, discovered in 1984, was a
1244:
1234:
402:
326:, the result is pigment loss and blue eyes. One indicator of the
1592:
828:
823:
629:
633:
957:
660:
171:
134:
210:
In the 1980s cats with dark blue eyes were discovered among
202:
gene, breeders stopped working with this blue eye mutation.
339:, breeding resumed in a small way with attempts to breed
259:
and expressing the deep blue eye gene have been called
474:"Breed standard in the 2001 Semi-Annual Board Meeting"
299:
is due to currently unknown polygenetic variations.
1654:
1611:
1471:
1433:
1393:
1090:
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998:
864:
787:
742:
667:
120:
115:
96:
86:
68:
60:
33:
577:Thibos, L. N.; Levick, W. R.; Morstyn, R. (1980).
302:Unlike the blue eyes seen linked to the genes in
196:Longhair. Due to the lethal side effects of the
579:"Ocular Pigmentation in White and Siamese Cats"
583:Investigative Ophthalmology and Visual Science
391:were susceptible to deafness, as is common in
645:
422:
416:
386:
367:
340:
327:
321:
315:
294:
276:
260:
250:
240:
223:
197:
191:
151:
50:
34:
8:
553:"Blue-Eyed Breeds / Dominant Blue Eye (DBE)"
1716:Cat breeds originating in the United States
1087:
652:
638:
630:
43:
30:
440:
332:gene was a flattened, white tail-tip.
1013:Associazione Nazionale Felina Italiana
464:
335:Following a genetic investigation by
161:
7:
547:
545:
543:
541:
539:
537:
535:
533:
507:
505:
462:
460:
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454:
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448:
446:
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399:Revival of dominant blue eyed breeds
409:Livre officiel des origines félines
1038:Governing Council of the Cat Fancy
14:
1498:Congenital sensorineural deafness
1053:The International Cat Association
1008:American Cat Fanciers Association
470:The International Cat Association
19:For the Latin American song, see
1685:
1684:
1033:Fédération Internationale Féline
73:
293:. This eye coloration depth in
285:and does not cause squinting,
1:
483:. p. 35. Archived from
1667:List of longest-living cats
1548:Lower urinary tract disease
1528:Hypertrophic cardiomyopathy
1048:Southern Africa Cat Council
236:Registration and popularity
1742:
1023:Cat Aficionado Association
103:. Not recognized as a
49:Red broken mackerel tabby
18:
1680:
1503:Feline corneal sequestrum
1028:Cat Fanciers' Association
132:
42:
1018:Canadian Cat Association
170:of shorthaired domestic
1721:Experimental cat breeds
1662:List of individual cats
415:Apart from the extinct
1538:Infectious peritonitis
1533:Immunodeficiency virus
423:
417:
412:
395:without the mutation.
387:
368:
341:
328:
322:
316:
295:
277:
261:
251:
241:
224:
198:
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163:[ˈoxosaθˈules]
152:
51:
35:
1603:Viral rhinotracheitis
1578:Tritrichomonas foetus
1043:New Zealand Cat Fancy
911:Cats in ancient Egypt
406:
212:feral cat populations
174:with unusual blue or
166:, 'Blue Eyes') was a
88:Foundation bloodstock
1165:Colorpoint Shorthair
1063:World Cat Federation
797:Cat–dog relationship
393:white blue-eyed cats
92:Feral cat population
1365:Traditional Persian
1150:California Spangled
1120:Brazilian Shorthair
916:Cultural depictions
901:Cat-scratch disease
127:historical standard
1726:Extinct cat breeds
1285:Oriental Shorthair
1195:European Shorthair
1110:American Shorthair
1058:World Cat Congress
609:"Blue Eyed Breeds"
413:
249:in 1991. The TICA
105:standardized breed
21:Ojos azules (song)
1698:
1697:
1523:Hepatic lipidosis
1429:
1428:
1125:British Shorthair
734:Tortoiseshell cat
490:on August 7, 2023
366:The medium-sized
232:for 'Blue Eyes'.
148:
147:
1733:
1688:
1687:
1672:Cats in folklore
1270:Norwegian Forest
1240:Kurilian Bobtail
1220:Japanese Bobtail
1200:Exotic Shorthair
1088:
953:National Cat Day
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337:Solveig Pflueger
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61:Common nicknames
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1613:Cats by country
1607:
1474:
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1265:Neva Masquerade
1092:
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994:
867:
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851:Righting reflex
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116:Breed standards
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1641:United Kingdom
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1609:
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1600:
1595:
1590:
1588:Skin disorders
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1555:
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1543:Leukemia virus
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1380:Turkish Angora
1377:
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1160:Chinese Li Hua
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943:Cats and Islam
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589:(5): 475–486.
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557:MessyBeast.com
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429:cat registries
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109:breed registry
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1646:United States
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1629:
1627:
1624:
1622:
1619:
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1616:
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1601:
1599:
1598:Toxoplasmosis
1596:
1594:
1591:
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1584:
1581:
1579:
1576:
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1569:
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1553:Panleukopenia
1551:
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1320:Scottish Fold
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1118:
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1108:
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1105:American Curl
1103:
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846:Play and toys
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819:Communication
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767:dental health
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708:Coat genetics
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661:Domestic cats
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548:
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544:
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540:
538:
536:
534:
530:
522:September 24,
518:
514:
513:"Ojos Azules"
508:
506:
502:
494:September 24,
486:
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107:by any major
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81:United States
71:
67:
63:
59:
53:
46:
41:
37:
32:
26:
22:
1473:Diseases and
1315:Russian Blue
1279:
1190:Egyptian Mau
1082:experimental
933:Dog-like cat
876:Ailurophobia
841:Intelligence
697:Odd-eyed cat
616:. Retrieved
612:
603:
586:
582:
572:
562:September 2,
560:. Retrieved
556:
520:. Retrieved
517:icatcare.org
516:
492:. Retrieved
485:the original
480:
414:
365:
351:heterozygous
334:
301:
275:
269:
256:
239:
209:
150:
149:
140:
135:Domestic cat
97:Breed status
28:Breed of cat
25:
16:Breed of cat
1636:New Zealand
1563:Polydactyly
1493:Calicivirus
1385:Turkish Van
1325:Selkirk Rex
1280:Ojos Azules
1170:Cornish Rex
978:Library cat
963:Working cat
891:Cat massage
886:Cat killers
868:interaction
779:Vaccination
714:Bicolor cat
618:January 19,
613:Messy Beast
424:Ojos Azules
418:Ojos Azules
388:Ojos Azules
383:colorpoints
369:Ojos Azules
357:Description
342:Ojos Azules
329:Ojos Azules
323:Ojos Azules
317:Ojos Azules
304:solid white
296:Ojos Azules
278:Ojos Azules
270:Ojos Azules
262:Ojos Azules
252:Ojos Azules
242:Ojos Azules
225:Ojos Azules
199:Ojos Azules
193:Ojos Azules
188:colorpoints
153:Ojos Azules
141:Felis catus
52:Ojos Azules
36:Ojos Azules
1711:Cat breeds
1705:Categories
1558:Giardiasis
1411:Highlander
1310:Ragamuffin
1250:Maine Coon
1230:Khao Manee
1210:German Rex
1100:Abyssinian
1000:Registries
983:Ship's cat
968:Bodega cat
724:Calico cat
669:Felinology
435:References
362:Appearance
347:homozygous
312:colorpoint
257:Cornflower
216:New Mexico
1621:Australia
1583:Roundworm
1518:Heartworm
1475:disorders
1435:Landraces
1421:Serengeti
1370:Tonkinese
1340:Singapura
1300:Pixie-bob
1295:Peterbald
1215:Himalayan
1180:Devon Rex
1155:Chartreux
1076:full list
938:Feral cat
921:fictional
881:Cat cafés
866:Human–cat
757:Declawing
729:Tabby cat
719:Black cat
687:Dwarf cat
379:tricolors
291:cross-eye
184:tricolors
1690:Category
1573:Ringworm
1513:Coccidia
1416:Savannah
1345:Snowshoe
1335:Siberian
1260:Munchkin
1225:Javanese
1145:Burmilla
1115:Balinese
1093:domestic
990:Zoonosis
973:Farm cat
926:Internet
906:Cat show
896:Cat meat
836:Kneading
812:valerian
802:Catfight
789:Behavior
702:Squitten
682:Genetics
481:tica.org
472:(2001).
375:bicolors
287:deafness
180:bicolors
176:odd eyes
159:Spanish:
1655:Related
1406:Chausie
1330:Siamese
1305:Ragdoll
1290:Persian
1185:Donskoy
1140:Burmese
958:Pet cat
677:Anatomy
595:7372414
308:bicolor
283:Siamese
230:Spanish
206:History
101:Extinct
1626:Canada
1568:Rabies
1488:Asthma
1458:Sokoke
1453:Kellas
1448:Cyprus
1443:Aegean
1401:Bengal
1394:Hybrid
1375:Toyger
1355:Sphynx
1350:Somali
1275:Ocicat
1205:Foldex
1175:Cymric
1135:Bombay
1130:Birman
1072:Breeds
948:Lolcat
856:Senses
807:Catnip
772:senior
744:Health
692:Kitten
593:
411:(LOOF)
310:, and
78:
69:Origin
1631:Japan
1245:Lykoi
1235:Korat
1091:Fully
752:Aging
488:(PDF)
477:(PDF)
168:breed
1593:Tick
1508:Flea
1483:Acne
1360:Thai
1255:Manx
829:Purr
824:Meow
762:Diet
620:2024
591:PMID
564:2023
524:2023
496:2023
377:and
272:gene
247:TICA
182:and
122:TICA
64:Ojos
1463:Van
381:),
289:or
214:in
186:),
172:cat
55:cat
1707::
611:.
587:19
585:.
581:.
555:.
532:^
515:.
504:^
479:.
443:^
431:.
306:,
228:,
1084:)
1080:(
1078:)
1074:(
653:e
646:t
639:v
622:.
597:.
566:.
526:.
498:.
157:(
144:)
138:(
111:.
23:.
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