Analysis of Horse Myostatin Gene and Identification of Single Nucleotide Polymorphisms in Breeds of Different Morphological Types

Table 3

Minor allele frequency (MAF) and haplotype (Hap^∗) frequencies of the two promoter SNPs of the MSTN gene in different horse breeds.

Horse breeds	Types^x	Number of horses	MAF g.26C	MAF g.156C	Hap [T:T]	Hap [T:C]	Hap [C:T]
Rapid Heavy Draft	B	81	0.12	0.15	0.73	0.15	0.12
Noric	B	26	0.06	0.40	0.54	0.40	0.06
Bardigiano	M	34	—	0.15	0.85	0.15	—
Haflinger	M	31	—	0.37	0.63	0.37	—
Lipizzan	M	12	0.21	—	0.79	—	0.21
Murgese	M	12	—	0.17	0.83	0.17	—
Tolfetano	M	7	—	0.29	0.71	0.29	—
Uruguayan Creole	M	35	—	0.24	0.76	0.24	—
Italian Saddle	M-D	30	0.05	0.10	0.85	0.10	0.05
Maremmano	M-D	13	—	0.12	0.88	0.12	—
Quarter Horse	M-D	15	—	—	1.00	—	—
Salernitano	M-D	4	—	0.25	—	—	—
Spanish Purebred	M-D	10	—	—	1.00	—	—
Ventasso	M-D	8	0.12	—	0.88	—	0.12
Italian Trotter	D	67	0.01	—	0.99	—	0.01
Thoroughbred	D	11	—	0.05	0.95	0.05	—

∗Haplotypes for the g.26T>C and g.156T>C polymorphisms. x Types: B= brachimorphic or heavy, M= mesomorphic, M-D= meso-dolichomorphic, D= dolichomorphic or light.