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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.