Table 1 Breeding schemes applying optimum-contribution selection (OCS) with restrictions

Breeding scheme

Truncated dams

Dams unknown

One-chance males

Pre-selection males

Sire multiples

Offspring unknown

Truncated dams

●

Dams unknown

●

●

One-chance OCS of sires

●

●

Pre-selection of sires 25%

●

25

Pre-selection of sires 10%

●

10

Pre-selection of sires 5%

●

5

Pre-selection of sires 1%

●

1

Pre-selection of sires 0.5%

●

0.5

Sire multiples 5

●

5

Sire multiples 10

●

10

Sire multiples 20

●

20

Sire multiples 50

●

50

Sire multiples 100

●

100

Offspring unknown

●

●

Multiple restrictions

●

●

●

5

10