Cow Inbreeding Trends Menu
| Trend in Inbreeding Coefficients for Holstein or Red & White |
| Calculated April 2009 |
| Birth Year |
Cows | Percent Inbreeding |
Expected Future Inbreeding |
|---|---|---|---|
| 2009 | 84437 | 5.46 | 5.44 |
| 2008 | 826969 | 5.44 | 5.42 |
| 2007 | 961660 | 5.34 | 5.37 |
| 2006 | 1397365 | 5.26 | 5.31 |
| 2005 | 1472884 | 5.15 | 5.23 |
| 2004 | 1470607 | 5.05 | 5.15 |
| 2003 | 1405029 | 4.94 | 5.07 |
| 2002 | 1358067 | 4.83 | 4.99 |
| 2001 | 1311757 | 4.68 | 4.88 |
| 2000 | 1310968 | 4.55 | 4.78 |
| 1999 | 1234692 | 4.40 | 4.68 |
| 1998 | 1175366 | 4.27 | 4.61 |
| 1997 | 1144454 | 4.12 | 4.52 |
| 1996 | 1093105 | 3.94 | 4.39 |
| 1995 | 1127364 | 3.72 | 4.21 |
| 1994 | 1137908 | 3.50 | 4.10 |
| 1993 | 1131583 | 3.28 | 3.99 |
| 1992 | 1145164 | 3.04 | 3.84 |
| 1991 | 1155717 | 2.83 | 3.67 |
| 1990 | 1148665 | 2.53 | 3.48 |
| 1989 | 1120546 | 2.27 | 3.32 |
| 1988 | 1121013 | 2.03 | 3.11 |
| 1987 | 1095832 | 1.86 | 2.94 |
| 1986 | 1057421 | 1.69 | 2.76 |
| 1985 | 1046510 | 1.52 | 2.60 |
| 1984 | 1023217 | 1.34 | 2.47 |
| 1983 | 1030202 | 1.20 | 2.35 |
| 1982 | 1015051 | 1.06 | 2.22 |
| 1981 | 981976 | 0.96 | 2.03 |
| 1980 | 937040 | 0.87 | 1.85 |
| 1979 | 872825 | 0.81 | 1.70 |
| 1978 | 802931 | 0.75 | 1.58 |
| 1977 | 763997 | 0.70 | 1.53 |
| 1976 | 705761 | 0.68 | 1.45 |
| 1975 | 643592 | 0.63 | 1.36 |
| 1974 | 614557 | 0.58 | 1.30 |
| 1973 | 590097 | 0.53 | 1.27 |
| 1972 | 567097 | 0.50 | 1.23 |
| 1971 | 542245 | 0.46 | 1.17 |
| 1970 | 518481 | 0.41 | 1.12 |
| 1969 | 496466 | 0.38 | 1.07 |
| 1968 | 485018 | 0.33 | 1.01 |
| 1967 | 469874 | 0.29 | 0.95 |
| 1966 | 448736 | 0.26 | 0.91 |
| 1965 | 431228 | 0.22 | 0.88 |
| 1964 | 423256 | 0.18 | 0.86 |
| 1963 | 411888 | 0.13 | 0.85 |
| 1962 | 403676 | 0.06 | 0.82 |
| 1961 | 401508 | 0.00 | 0.81 |
| 1960 | 385002 | 0.00 | 0.80 |
Inbreeding Trend for Holstein or Red & White
