National genetic trends by birth year for Holstein cows
Canadian Dairy Network, February 2005

Plot  

Year	Cows	Milk	Fat	Protein	Fat%	Prot%	SCS	Conf	Cap	F&L	MS	LPI
1991	67691	-914	-25.0	-29.9	0.08	0.00	2.98	-2.0	-0.5	-0.2	-2.5	-992
1992	91021	-827	-21.0	-26.5	0.09	0.01	2.97	-1.5	-0.2	-0.1	-2.0	-874
1993	111394	-707	-18.4	-22.3	0.07	0.01	2.97	-1.3	-0.1	-0.1	-1.9	-779
1994	129371	-609	-16.6	-19.1	0.06	0.01	2.98	-1.0	0.2	-0.3	-1.6	-710
1995	138154	-441	-12.2	-14.4	0.04	0.00	3.00	-0.8	0.3	-0.2	-1.5	-603
1996	131999	-296	-9.1	-9.6	0.02	0.00	3.03	-0.2	0.5	0.2	-0.9	-455
1997	137388	-103	-3.7	-3.2	0.01	0.00	3.00	0.9	0.6	0.9	0.3	-206
1998	139834	20	1.1	0.8	0.01	0.00	3.00	1.4	0.7	1.1	0.7	-77
1999	138746	124	3.9	4.0	0.00	0.00	3.00	2.0	1.1	1.3	1.4	35
2000	135549	217	7.6	6.9	0.00	-0.00	3.00	2.8	1.6	1.6	2.1	165
2001	141435	290	11.1	9.5	0.01	0.00	2.99	3.5	1.9	2.2	2.6	277
Annual trends
Years		Milk	Fat	Protein	Fat%	Prot%	SCS	Conf	Cap	F&L	MS	LPI
1991-2001		120	3.6	3.9	-0.007	-0.000	0.001	0.6	0.2	0.2	0.5	127
1996-2001		117	4.0	3.8	-0.001	-0.001	-0.006	0.7	0.3	0.4	0.7	146
Notes: 1. Based on all cows with both production and type indexes. 2. Production in kg EBV units and conformation in EBV points. 3. Conformation indexes based on latest classification of each cow.