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Table 9 Genotyping breakeven values for different percentages of herd genotyped in three scenariosa given two selection strategiesb

From: Management of lethal recessive alleles in beef cattle through the use of mate selection software

Level of genotyping

% Herd genotyping

Breakeven values

Strategy 1

Strategy 2

A

B

C

A

B

C

Low

10

$0.00

$66.92

$56.00

$14.00

$85.71

$168.95

 

20

$0.00

$50.21

$91.56

$7.00

$49.70

$92.50

 

30

$0.00

$42.45

$61.13

$4.67

$39.86

$62.00

Intermediate

40

$0.00

$36.21

$52.09

$3.50

$33.80

$51.76

 

50

$0.00

$29.61

$41.88

$2.80

$29.33

$45.38

 

60

$0.00

$26.26

$34.90

$2.33

$26.21

$37.81

High

70

$1.00

$23.97

$29.91

$2.00

$23.89

$32.50

 

80

$0.88

$21.11

$27.17

$1.75

$22.29

$29.96

 

90

$0.78

$19.50

$24.15

$1.56

$20.50

$29.62

 

100

$0.70

$17.68

$21.94

$1.40

$19.13

$26.77

  1. aScenario A (7 loci with high-frequency LOF alleles), scenario B (76 loci with low-frequency LOF alleles), and scenario C (50 with high- and low-frequency loci)
  2. bSelection against carrier parents (strategy 1) and selection and mate allocation to avoid homozygous offspring (strategy 2)