Table 1 Distribution of genotyped bulls (n = 3,863) by birth year and average number of phenotyped daughters per bull (s.e.)
From: The impact of genetic relationship information on genomic breeding values in German Holstein cattle
Birth year | No. of bulls | No. of daughters |
|---|---|---|
1981-1989 | 140 | 5,969 (± 886) |
1990-1997 | 455 | 4,473 (± 356) |
1998 | 378 | 567 (± 115) |
1999 | 446 | 297 (± 42) |
2000 | 484 | 142 (± 11) |
2001 | 482 | 107 (± 2) |
2002 | 485 | 116 (± 2) |
2003 | 830 | 93 (± 1) |
2004 | 163 | 62 (± 2) |