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Table 4 Proportions of 12-FGF4RG genotypes and sexes in different genotypes in French Bulldogs with IDC grade 0 or 3

From: Allelic frequency of 12-FGF4RG and the association between the genotype with number of calcified intervertebral discs visible on radiographs in Coton de Tuléar and French Bulldog breeds

12-FGF4RG Genotype

All dogs

Females

Males

Homozygous

60 (74%)

34 (57%)

26 (43%)

Heterozygous

17 (21%)

11 (65%)

6 (35%)

Wild-type

4 (5%)

4 (100%)

0 (0%)

Total

81 (100%)

49 (60%)

32 (40%)

  1. 12-FGF4RG FGF4 retrogene insertion in chromosome 12; IDC intervertebral disc calcification; IDC 0 = no, IDC 3 = severe intervertebral disc calcification based on number of CDVR