|
Cows
2
|
Bulls
2
|
---|
 |
AU
|
US
|
AU
|
NZ
|
US
|
---|
1990-1994 | 2 | 106 | 85 | 174 | 325 |
1995-1997 | 18 | 61 | 101 | 213 | 271 |
1998-2000 | 202 | 26 | 132 | 327 | 326 |
2001-2003 | 871 | 137 | 155 | 403 | 324 |
2004-2006 | 2009 | 1121 | 151 | 365 | 412 |
2007-2009 | 886 | 3076 | 90 | 74 | 420 |
≥ 2010 | 3 | 3672 | 175 | 0 | 53 |
-
1AU = Australia; US = United States; NZ = New Zealand.
-
2Principle component analyses and characterizing the autozygosity between and within populations used animal born within years 2007 to 2009 and 2001 to 2006 for the cows and bulls, respectively. Change in autozygosity across time used cows born after 2002 for the US population and AU cows born from 1990 and 2010. Change in autozygosity across time used bulls born between 1999 to 2008 for AU, NZ, and US.