Inbreeding information

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Bovine Inbreeding Trends

Ayrshire

Brown Swiss

Guernsey

Holstein or Red & White
	Cows (Chart)
	Genotyped Proven Bulls
	Young Genomic Bulls
	Sires of Sons Highly Related To Breed Based on Expected Future Inbreeding of Daughters
	Active Sires Highly Related To Breed Based on Expected Future Inbreeding of Daughters
	Outcrosses Active, Foreign, or Genomic Sires With High NM$ and Low Relationship to Breed

Jersey

Milking Shorthorn

Trend in Inbreeding Coefficients of Cows for Holstein or Red & White

Calculated December 2018

Birth Year	Cows	Percent Inbreeding	Expected Future Inbreeding
2018	1156042	7.60	7.36
2017	1827305	7.22	7.24
2016	1948351	6.85	7.06
2015	2028686	6.60	6.87
2014	2029721	6.35	6.65
2013	2079111	6.11	6.46
2012	2094397	5.89	6.28
2011	1945169	5.76	6.11
2010	1935896	5.66	5.95
2009	1892194	5.55	5.77
2008	1807264	5.42	5.67
2007	1714651	5.31	5.57
2006	1712481	5.23	5.48
2005	1663769	5.12	5.37
2004	1601887	5.01	5.26
2003	1497672	4.90	5.16
2002	1430596	4.79	5.08
2001	1365940	4.64	4.97
2000	1358559	4.51	4.86
1999	1276447	4.36	4.76
1998	1212055	4.24	4.69
1997	1178660	4.08	4.59
1996	1124506	3.90	4.45
1995	1155593	3.68	4.27
1994	1164246	3.46	4.16
1993	1157053	3.25	4.05
1992	1169441	3.01	3.89
1991	1179194	2.80	3.72
1990	1171281	2.50	3.51
1989	1142814	2.25	3.36
1988	1143400	2.01	3.14
1987	1118010	1.84	2.96
1986	1079534	1.67	2.77
1985	1068032	1.50	2.60
1984	1045463	1.33	2.46
1983	1052154	1.19	2.34
1982	1036876	1.05	2.21
1981	1004098	0.96	2.01
1980	959333	0.87	1.82
1979	895054	0.81	1.67
1978	826233	0.75	1.54
1977	788080	0.70	1.48
1976	731026	0.68	1.41
1975	670894	0.63	1.31
1974	629320	0.58	1.25
1973	607256	0.53	1.21
1972	585353	0.50	1.18
1971	545905	0.46	1.11
1970	521838	0.41	1.06
1969	506885	0.38	1.01
1968	494792	0.33	0.94
1967	476260	0.29	0.88
1966	455156	0.26	0.84
1965	437283	0.22	0.81
1964	428335	0.18	0.79
1963	416046	0.13	0.78
1962	407194	0.06	0.75
1961	404495	0.00	0.74
1960	387420	0.00	0.73