Bovine Inbreeding Trends

Bovine Inbreeding Trends Menu

Trend in Inbreeding Coefficients for Holstein or Red & White

Calculated April 2012

Birth Year	Cows	Percent Inbreeding	Expected Future Inbreeding
2012	98600	5.84	5.79
2011	972942	5.79	5.77
2010	1120469	5.69	5.72
2009	1513295	5.58	5.65
2008	1559961	5.46	5.59
2007	1534977	5.35	5.49
2006	1582430	5.26	5.39
2005	1564558	5.15	5.29
2004	1524707	5.05	5.21
2003	1435385	4.94	5.13
2002	1377247	4.83	5.05
2001	1323034	4.68	4.93
2000	1319186	4.55	4.82
1999	1239904	4.40	4.72
1998	1179159	4.27	4.66
1997	1147960	4.12	4.56
1996	1096018	3.94	4.43
1995	1130213	3.72	4.25
1994	1140500	3.50	4.14
1993	1134030	3.28	4.04
1992	1147654	3.04	3.88
1991	1158330	2.83	3.72
1990	1151040	2.53	3.53
1989	1122876	2.27	3.37
1988	1123247	2.03	3.16
1987	1098011	1.86	2.98
1986	1059640	1.68	2.81
1985	1048440	1.52	2.65
1984	1025439	1.34	2.52
1983	1032371	1.20	2.41
1982	1017241	1.06	2.28
1981	984180	0.96	2.09
1980	939245	0.87	1.90
1979	874905	0.81	1.76
1978	805168	0.75	1.64
1977	766690	0.70	1.59
1976	708533	0.68	1.51
1975	646640	0.63	1.42
1974	616342	0.58	1.36
1973	592191	0.53	1.33
1972	569187	0.50	1.29
1971	542897	0.46	1.23
1970	519074	0.41	1.18
1969	497113	0.38	1.13
1968	485569	0.33	1.07
1967	470357	0.29	1.01
1966	449202	0.26	0.97
1965	431603	0.22	0.94
1964	423665	0.18	0.92
1963	412197	0.13	0.91
1962	403988	0.06	0.88
1961	401827	0.00	0.87
1960	385295	0.00	0.86