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Table 1 Properties of the recessive loci included in each scenario simulated

From: A simple strategy for managing many recessive disorders in a dairy cattle breeding program

Group Scenarioa Nb Recessive loci
Frequency Value ($)c Name Lethal
Holstein All recessive loci 12 0.0276 150 Brachyspina Yes
    0.0192 40 HH1 Yes
    0.0166 40 HH2 Yes
    0.0295 40 HH3 Yes
    0.0037 40 HH4 Yes
    0.0222 40 HH5 Yes
    0.0025 150 BLAD Yes
    0.0137 70 CVM Yes
    0.0001 40 DUMPS Yes
    0.0007 150 Mulefoot Yes
    0.9929 40 Horned No
    0.0542 −20 Red coat color No
  All recessive loci, high cost 12 0.0276 450 Brachyspina Yes
    0.0192 120 HH1 Yes
    0.0166 120 HH2 Yes
    0.0295 120 HH3 Yes
    0.0037 120 HH4 Yes
    0.0222 120 HH5 Yes
    0.0025 450 BLAD Yes
    0.0137 210 CVM Yes
    0.0001 120 DUMPS Yes
    0.0007 450 Mulefoot Yes
    0.9929 120 Horned No
    0.0542 −60 Red coat color No
Hypothetical High frequency, low value 1 0.90 20 High, low Yes
  High frequency, high value 1 0.90 200 High, high Yes
  Medium frequency, low value 1 0.50 20 Medium, low Yes
  Medium frequency, high value 1 0.50 200 Medium, high Yes
  Low frequency, low value 1 0.01 20 Low, low Yes
  Low frequency, high value 1 0.01 200 Low, high Yes
  All recessive loci 6 As above
Horned Horned locus, market value 1 0.9929 40 Horned No
  Horned locus, high value 1 0.9929 400 Horned No
  1. aSpecific scenario simulated for each trait or group of traits
  2. bNumber of recessive loci in the scenario
  3. cPositive values are undesirable and negative values are desirable