Table 2.
Mean CN and corresponding SD of 7 MSY multicopy genes and SRY across horse breeds and related equids.
| ETSTY1 a | ETSTY2 b | ETSTY5 b | HSFY | RBMY b | SRY b | TSPY b | UBA1Y a | ||
|---|---|---|---|---|---|---|---|---|---|
| Horse breed | N | CN (SD) | CN (SD) | CN (SD) | CN (SD) | CN (SD) | CN (SD) | CN (SD) | CN (SD) |
| American Paint | 1 | 3.60 (n/a) | 4.48 (n/a) | 4.26 (n/a) | 1.04 (n/a) | 1.77 (n/a) | 0.90 (n/a) | 9.80 (n/a) | 3.48 (n/a) |
| Arabian | 12 | 4.49 (0.77) | 4.33 (1.09) | 4.10 (0.37) | 1.03 (0.17) | 1.85 (0.20) | 0.90 (0.09) | 10.03 (3.43) | 2.94 (0.87) |
| Caspian | 6 | 4.73 (0.48) | 4.53 (0.69) | 4.08 (0.21) | 0.97 (0.07) | 1.88 (0.21) | 0.84 (0.12) | 9.67 (1.17) | 3.57 (0.55) |
| Dales Pony | 4 | 5.30 (1.58) | 6.35 (0.79) | 4.80 (0.51) | 0.79 (0.22) | 1.58 (0.49) | 0.89 (0.16) | 8.28 (0.59) | 3.48 (0.40) |
| Estonian Native | 28 | 4.49 (1.26) | 5.93 (2.48) | 5.76 (5.90) | 1.15 (0.48) | 2.15 (0.43) | 1.21 (0.46) | 12.98 (7.04) | 4.09 (2.39) |
| Friesian | 1 | 1.96 (n/a) | 3.78 (n/a) | 2.62 (n/a) | 0.85 (n/a) | 1.91 (n/a) | 0.78 (n/a) | 5.55 (n/a) | 3.13 (n/a) |
| Haflinger | 2 | 4.12 (0.13) | 3.73 (0.06) | 4.07 (0.02) | 0.99 (0.02) | 1.99 (0.16) | 0.96 (0.07) | 9.25 (0.35) | 4.11 (0.23) |
| Icelandic | 6 | 4.83 (0.26) | 3.94 (0.47) | 4.05 (0.23) | 1.01 (0.08) | 1.77 (0.25) | 0.90 (0.15) | 9.48 (0.86) | 3.71 (0.37) |
| Lipizzan | 10 | 5.10 (0.36) | 3.85 (0.28) | 3.90 (0.09) | 0.95 (0.09) | 1.91 (0.17) | 0.96 (0.03) | 8.73 (0.31) | 3.99 (0.22) |
| Miniature | 2 | 3.71 (0.08) | 3.91 (0.01) | 3.94 (0.34) | 0.82 (0.01) | 1.63 (0.17) | 0.86 (0.08) | 8.95 (0.49) | 3.45 (0.05) |
| Mongolian | 10 | 4.46 (0.54) | 4.16 (0.30) | 3.79 (0.23) | 0.96 (0.11) | 1.67 (0.55) | 1.26 (0.51) | 8.47 (0.84) | 3.74 (0.34) |
| Noriker | 4 | 4.91 (0.65) | 3.92 (0.12) | 3.89 (0.05) | 0.98 (0.07) | 1.92 (0.11) | 0.98 (0.06) | 8.68 (0.49) | 4.00 (0.08) |
| Quarter Horse | 28 | 4.64 (0.75) | 4.59 (0.85) | 4.21 (0.49) | 1.00 (0.15) | 1.79 (0.23) | 0.83 (0.11) | 10.66 (2.62) | 3.43 (0.52) |
| Quarter Horse-Morgan mix | 1 | 3.59 (n/a) | 4.50 (n/a) | 4.12 (n/a) | 0.98 (n/a) | 1.79 (n/a) | 0.93 (n/a) | 10.00 (n/a) | 3.51 (n/a) |
| Shetland pony | 5 | 5.10 (0.20) | 4.25 (0.69) | 4.21 (0.44) | 0.94 (0.05) | 1.73 (0.43) | 0.80 (0.27) | 8.37 (0.50) | 3.80 (n/a) |
| Standardbred | 8 | 5.08 (1.04) | 5.11 (1.00) | 4.62 (0.94) | 1.11 (0.17) | 1.41 (0.27) | 0.61 (0.08) | 9.00 (1.16) | 2.98 (0.24) |
| Suffolk Punch | 8 | 3.89 (0.17) | 4.50 (0.31) | 4.12 (0.24) | 1.02 (0.11) | 1.87 (0.13) | 0.82 (0.09) | 9.32 (1.19) | 3.44 (0.32) |
| Heck horse (Heck 1952) | 7 | 5.86 (1.26) | 6.17 (0.81) | 4.99 (0.40) | 1.10 (0.08) | 1.34 (0.46) | 0.74 (0.11) | 15.36 (2.64) | 3.56 (0.45) |
| Tennessee Walking | 5 | 5.60 (1.11) | 6.02 (1.04) | 4.61 (0.36) | 1.07 (0.15) | 1.62 (0.18) | 0.79 (0.22) | 16.92 (2.59) | 3.56 (0.64) |
| Thoroughbred | 47 | 4.49 (0.91) | 4.35 (0.75) | 3.74 (0.62) | 0.91 (0.27) | 1.79 (0.21) | 0.87 (0.14) | 9.35 (1.19) | 3.50 (0.63) |
| Yakutian | 4 | 5.97 (3.37) | 6.41 (5.07) | 5.58 (3.42) | 1.22 (0.65) | 1.78 (0.31) | 1.40 (0.87) | 15.72 (14.88) | 3.59 (0.52) |
| Zemaitukai | 10 | 5.39 (0.41) | 5.02 (0.76) | 4.70 (0.32) | 0.92 (0.08) | 2.32 (0.54) | 1.27 (0.42) | 11.62 (1.09) | 3.62 (0.28) |
| P1-value; F-statistic | 209 | 0.0003 | <0.0001 | 0.64 | 0.19 | <0.0001 | <0.0001 | <0.0001 | 0.59 |
| P2-value; H-statistic | 209 | 0.0002 | <0.0001 | <0.0001 | 0.003 | <0.0001 | <0.0001 | <0.0001 | 0.001 |
| Difference between Max and Min CN | 4.01 | 2.68 | 3.14 | 0.43 | 0.98 | 0.79 | 11.37 | 1.17 | |
|
| |||||||||
| Equid species | N | ETSTY1 | ETSTY2 | ETSTY5 | HSFY | RBMY | SRY | TSPY | UBA1Y |
|
| |||||||||
| Przewalski's horse | 5 | 3.65 (1.85) | 3.18 (0.40) | 4.11 (0.31) | 1.02 (0.15) | 1.10 (0.23) | 0.93 (0.14) | 8.40 (0.77) | 3.04 (0.58) |
| Kulan | 2 | 2.29 (0.25) | 4.10 (0.85) | 3.50 (0.85) | 1.69 (0.03) | 0.82 (0.09) | 0.75 (0.13) | n/a | n/a |
| Horse mean from Table 1 | 209 | 4.66 | 4.74 | 4.34 | 1.01 | 1.82 | 0.95 | 10.47 | 3.57 |
CNs of Przewalski’s horse and kulan are presented separately as an outgroup.
N, number of individuals.
a
P < 0.001.
b
P < 0.0001.