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Table 4 The results of the pedigree analysis for the reference population of Mehraban sheep in year groups

From: Population genetic structure analysis and effect of inbreeding on body weights at different ages in Iranian Mehraban sheep

Item/ year 1994-1999 2000-2005 2006-2011 Total years
Number of animals 7745 9340 9905 26990
Founder equivalent (fe) 7244 3116 2965 -
Founder genome equivalent (fg) 4211 2328 2118 -
Effective number of non-founders (Nenf) 10057 9205 7422 -
Effective population size (Ne) 363 5080 5740 11963
Average number of discrete generation equivalents (Ge) 0.3571 0.4545 0.5359 0.4188
Maximum number of discrete generation equivalents (MaxGe) 1.625 1.9375 2.77734 2.777734
Minimum number of discrete generation equivalents (MinGe) 0 0 0 0
Generation interval (L), years 2 2.18 2.27 2.15
Average coancestry (AC) 0.000118742 0.000214769 0.000238527 -
Changes in inbreeding (ΔF) 0.00137741 0.00009843 0.00008711 0.00004179