Table 1. Average coefficients of inbreeding, runs of homozygosity and genetic diversity in sheep and goats.
Goats |
Sheep |
||||||
---|---|---|---|---|---|---|---|
Barki | Other exoticsa | Boer | Barki | Romney | Texel | Corriedale | |
Sample sizes | 68 | 59 | 34 | 59 | 50 | 26 | 25 |
Froh | 0.02 (0.07)b | 0.03 (0.06) | 0.09 (0.03) | 0.02 (0.03) | 0.05 (0.01) | 0.10 (0.02) | 0.03 (0.03) |
Fgeno | 0.01 (0.05) | 0.09 (0.07) | 0.19 (0.05) | −0.00 (0.04) | 0.08 (0.01) | 0.25 (0.02) | −0.05 (0.03) |
r c | 0.80 | 0.85 | 0.84 | 0.76 | 0.77 | 0.65 | 0.83 |
Mean length of ROH (Mb) | 1.48 (2.8) | 4.19 (4.5) | 10.61 (8.4) | 4.40 (7.6) | 12.49 (8.3) | 16.48 (9.9) | 14.25 (4.0) |
Individuals lacking ROH | 72% | 6% | 0% | 58% | 2% | 0% | 17% |
Ho | 0.40 (0.12) | 0.42 (0.08) | 0.35 (0.02) | 0.37 (0.14) | 0.33 (0.03) | 0.22 (0.03) | 0.32 (0.03) |
He | 0.40 (0.11) | 0.44 (0.07) | 0.43 (0.11) | 0.37 (0.13) | 0.33 (0.03) | 0.31 (0.03) | 0.30 (0.03) |
Ne (5)d | 127 | 87 | 66 | 130 | 45 | 21 | 30 |
Ne (70)d | 1531 | 729 | 230 | 1331 | 374 | 161 | 244 |
Private allelic richness (pAr) | 0.016 | 0.007 | 0.003 | 0.017 | 0.008 | 0.002 | 0.005 |
Abbreviations: Ho, Observed homozygosity; He, Expected homozygosity; ROH, runs of homozygosity.
Other exotics=Myotonic, Spanish, Kiko, LaMancha.
Numbers in parenthesis represent standard deviations.
r=Correlation coefficient between ROH-based inbreeding coefficient (Froh) and genotype-based inbreeding coefficient (Fgeno).
Ne=Effective population size (5 or 70 generations ago).