Table 1 Number of sires, dams and offspring and survival rate over eight generations of selection
Generation | Line | Sires | Dams | Progeny | Survival rate (%) |
|---|---|---|---|---|---|
G0 (2008) | Base population | 81 | 81 | 1870 | 26.7 |
G1 (2009) | Selection Control | 76 17 | 89 17 | 3060 711 | 40.2 32.4 |
G2 (2010) | Selection Control | 60 20 | 96 20 | 4464 1256 | 45.4 40.4 |
G3 (2011) | Selection Control | 65 42 | 144 42 | 5520 1324 | 31.3 38.5 |
G4 (2012) | Selection Control | 74 27 | 93 34 | 2306 734 | 35.1 24.9 |
G5 (2013) | Selection | 60 | 60 | 5743 | 33.8 |
G6 (2014) | Selection Control | 34 7 | 54 15 | 504 162 | 20.4 10.0 |
G7 (2015) | Selection Control | 56 25 | 87 31 | 3862 788 | 44.4 31.6 |