Table 2 Selection criteria and genotyped cohorts for the simulated scenarios
From: Analysis of different genotyping and selection strategies in laying hen breeding programs
Scenario | Generation interval (weeks) | Selection method | Genotyped individuals (number genotyped in each generation) | OCS | ||||
|---|---|---|---|---|---|---|---|---|
Male | Female | Male | Female | Male | Female | |||
Long generation interval | ||||||||
1 | longGI-m:Ped-f:Pheno | 63 | 63 | Pedigree | Phenotypic | – | – | No |
2 | longGI-m:Ped-f:Ped | 63 | 63 | Pedigree | Pedigree | – | – | No |
3 | longGI-m:ssGBLUP-f:Pheno-Geno:M | 63 | 63 | ssGBLUP | Phenotypic | Candidates (800) | - | No |
4 | longGI-m:ssGBLUP-f:Pheno-Geno:M&Fsel | 63 | 63 | ssGBLUP | Phenotypic | Candidates (800) | Selected (600) | No |
5 | longGI-m:ssGBLUP-f:ssGBLUP-Geno:M&Fsel | 63 | 63 | ssGBLUP | ssGBLUP | Candidates (800) | Selected (600) | No |
6 | longGI-m:ssGBLUP-f:Pheno-Geno:M&F600 | 63 | 63 | ssGBLUP | Phenotypic | Candidates (800) | Random (600) | No |
7 | longGI-m:GBLUP-f:Pheno-Geno:M&F | 63 | 63 | GBLUP | Phenotypic | Candidates (800) | Candidates (5500) | No |
8 | longGI-m:GBLUP-f:GBLUP-Geno:M&F | 63 | 63 | GBLUP | GBLUP | Candidates (800) | Candidates (5500) | No |
9 | longGI-m:GBLUP-f:GBLUP-Geno:M&F-OCS | 63 | 63 | GBLUP | GBLUP | Candidates (800) | Candidates (5500) | Yes |
Halved generation interval only for males (two time-shifted subpopulations) | ||||||||
10 | 2SP-m:ssGBLUP-f:Pheno-Geno:M&Fsel | 31.5 | 63 | ssGBLUP | Phenotypic | Candidates (2 × 400) | Selected (2 × 300) | No |
11 | 2SP-m:ssGBLUP-f:ssGBLUP-Geno:M&Fsel | 31.5 | 63 | ssGBLUP | ssGBLUP | Candidates (2 × 400) | Selected (2 × 300) | No |
12 | 2SP-m:GBLUP-f:GBLUP-Geno:M&F | 31.5 | 63 | GBLUP | GBLUP | Candidates (2 × 400) | Candidates (2 × 2750) | No |
13 | 2SP-m:GBLUP-f:GBLUP-Geno:M&F-OCS | 31.5 | 63 | GBLUP | GBLUP | Candidates (2 × 400) | Candidates (2 × 2750) | Yes |
Short generation interval for both males and females | ||||||||
14 | shortGI-m:ssGBLUP-f:Ped-Geno:M | 31.5 | 31.5 | ssGBLUP | Pedigree | Candidates (800) | –- | No |
15 | shortGI-m:ssGBLUP-f:ssGBLUP-Geno:M | 31.5 | 31.5 | ssGBLUP | ssGBLUP | Candidates (800) | –- | No |
16 | shortGI-m:GBLUP-f:GBLUP-Geno:M&F | 31.5 | 31.5 | GBLUP | GBLUP | Candidates (800) | Candidates (5500) | No |
17 | shortGI-m:GBLUP-f:GBLUP-Geno:M&F-OCS | 31.5 | 31.5 | GBLUP | GBLUP | Candidates (800) | Candidates (5500) | Yes |
181 | shortGI-m:GBLUP-f:GBLUP-Geno:M&F-n/2 | 31.5 | 31.5 | GBLUP | GBLUP | Candidates (800) | Candidates (2750) | No |