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Table 1 Estimates of inbreeding effective population size for registered Angus cattle

From: A novel analytical method, Birth Date Selection Mapping, detects response of the Angus (Bos taurus) genome to selection on complex traits

Data set Intercept ΔF/generation N e
Wye pedigree, pedigree F −0.0059 0.0137 ± 0.0005 36.4184 ± 0.0338
North American pedigree born after 1930, pedigree F 0.0072 0.0019 ± 3.5115e-05 267.5948 ± 0.0188
North American pedigree born after 1980, pedigree F −0.0269 0.0043 ± 0.0002 116.1495 ± 0.0353
North American pedigree born after 1980, genomic F 0.0529 0.0052 ± 0.0005 94.1815 ± 0.0955
  1. Birth year generations were calculated by subtracting 1950 from each animal’s birth year and dividing by the generation interval of 5 years. Birth year generation = (birth year – 1950)/5.