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Table 1 Genotypes of the novel MC1R 6 bp composite deletion (c.[124G>A;125_130del6] or Δ6J) in rabbits of different breeds

From: A composite six bp in-frame deletion in the melanocortin 1 receptor (MC1R) gene is associated with the Japanese brindling coat colour in rabbits (Oryctolagus cuniculus)

Breed (no. of animals)

Coat colour (no. of animals)1

Genotypes2,3

  

181/181

181/187

187/187

Alaska (7)

self black

-

-

7

Angora (1)

albino-white

1

-

-

Belgian Hare (3)

reddish laced with black

-

-

3

Blanc de Hotot (3)

white with black markings

-

-

3

Blue Vienna (39)

dark blue

-

-

39

Burgundy Fawn (15)

fawn

-

-

15

Bristle White (3)

bristle white

-

-

3

Californian (43)

white with black markings

-

-

43

Champagne d'Argent (39)

silver as surface colour and dark blue as under-colour

-

-

39

Checkered Giant (29)

white with black markings

-

2

27

Checkered Small (7)

white with black (6) or blue (1) markings

-

-

7

Coloured Dwarf (5)

bristle white (2), hare-grey (1), Havana (1), chinchilla (1)

-

-

5

Dutch (17)

with black markings (9*), tricolour (8**)4

8**

-

9*

Ermine (1)

white with blue eyes

-

-

1

Fairy Marburg (1)

grey-light blue

-

-

1

Fairy Pearly (3)

pearling grey

-

-

3

Giant Chinchilla (21)

chinchilla

-

-

21

Giant Grey (12)

wild-grey

-

1

11

Giant White (7)

white albino

-

-

7

Havana (2)

dark brown

-

-

2

Japanase (32)

Japanese brindling

32

-

-

Lop (8)

wild-grey (7); with Madagascar markings (1)

-

-

8

Lop Dwarf (3)

wild-grey (2); self black (1)

-

-

3

Mini Silver (4)

black with silvering

-

-

4

New Zealand White (33)

white-albino

-

-

33

Rex (1)

black dalmatian

-

-

1

Rhinelander (11)

white with black and yellow markings (tricolour)

11

-

-

Silver (10)

black with silvering

-

-

10

Tan (2)

black fire

-

-

2

Thuringian (3)

shaded yellow/brown

-

-

3

White Vienna (6)

white-blue eyes

-

-

6

Total (371)

 

52

3

316

  1. 1 When rabbits with different coat colours were sampled in a breed, the corresponding number of analysed animals is reported.
  2. 2 The genotypes are indicated according to the obtained amplified fragments in bp: 181 = fragment with the 6 bp composite deletion (c.[124A;125_130del6] allele indicated also as Δ6J); 187 = normal fragment, that could be derived from the E, e and EDr ES alleles. The number of animals with the three genotypes is reported.
  3. 3 These animals have been genotyped for the c.280_285del6 and c.304_333del30 deletions of the MC1R gene [35] and for the c.5_6insA deletion in the ASIP gene causing the black nonagouti coat colour [45].
  4. 4 For the Dutch breed, asterisks (* or **) have been included to link their coat colour description to the genotyping results.