TABLE 4.
Number of animals with and without ROH, breed-wise total and average number of ROH and average sum of the length of ROH for the Tigray cattle populations compared to reference cattle populations.
| Breed | No. w/o ROH a | No. w/ROH b | Total no. of ROH c | Avg. no. of ROH segments (min-max) d | Avg. ROH segment lengths in Mbp (min-max) e |
|---|---|---|---|---|---|
| Abergelle | 0 | 11 | 9131 | 830.09 (748–907) | 130.13 (112.92–148.83) |
| Arado | 0 | 11 | 8556 | 777.82 (706–861) | 122.01 (108.02–135.65) |
| Begait | 0 | 11 | 10003 | 909.36 (767–1504) | 148.9 (121.14–266.71) |
| Erob | 0 | 10 | 8371 | 837.1 (727–1099) | 131.92 (110.40–177.46) |
| Raya | 0 | 11 | 11005 | 1000.45 (703–1662) | 163.88 (105.87–297.29) |
| Eth.Boran | 0 | 10 | 8937 | 893.7 (734–1259) | 143.94 (113.6–210.41) |
| Kenana | 0 | 10 | 4624 | 462.4 (150–1657) | 73.79 (20.24–298.06) |
| Fogera | 0 | 9 | 7817 | 868.56 (571–1353) | 124.5 (84.47–234.48) |
| Horro | 0 | 11 | 8508 | 773.45 (618–1334) | 121.74 (91.91–228.27) |
| Ankole | 0 | 10 | 2299 | 209 (6–423) | 31.16 (0.78–58.99) |
| Afar | 0 | 10 | 7441 | 744.1 (649–918) | 115.21 (95.06–146.82) |
| Holstein | 0 | 10 | 22124 | 2212.4 (1827–2710) | 432.61 (325.89–547.33) |
| Angus | 0 | 10 | 22999 | 2299.9 (1374–2670) | 439.31 (264.38–553.70) |
| Muturu | 0 | 10 | 6755 | 675.5 (40–1590) | 94.88 (4.79–232.72) |
| N’Dama | 0 | 10 | 6870 | 687 (194–969) | 94.49 (23.67–133.10) |
| Asian zebu | 1 | 9 | 1292 | 143.56 (0–704) | 20.39 (113.57–103.09) |
a
Number of animals without ROH.
b
Number of animals with ROH.
c
Total number of ROH across each population.
d
Average number of ROH segments (Minimum to maximum).
e
Average ROH segment length in megabyte (Minimum to maximum).