Comparison of December 2008 genomic and traditional evaluations
for bulls with an AI status of active or foreign

546 Holstein bulls

Trait	PTA				Reliability (%)
	Average		Difference1
	Genomic	Traditional	Average	Standard deviation	Genomic average	Traditional average	Difference1
Net merit ($)	300	309	−9	55	88	84	+4
Milk (pounds)	948	972	−24	183	93	91	+2
Fat (pounds)	35.6	36.4	−0.7	6.7	93	91	+2
Protein (pounds)	27.7	28.2	−0.5	4.9	93	91	+2
Productive life (months)	1.6	1.7	−0.1	0.9	80	71	+9
Somatic cell score	2.93	2.93	0.00	0.07	88	82	+6
Daughter pregnancy rate (%)	−0.3	−0.3	0.0	0.6	79	70	+9
Final score	1.83	1.86	−0.03	0.22	90	87	+3
Sire calving ease	7.9	7.9	0.0	0.6	89	84	+5
Daughter calving ease	7.2	7.2	0.0	0.7	79	68	+11

   ¹Genomic minus traditional.

126 Jersey bulls

Trait	PTA				Reliability (%)
	Average		Difference1
	Genomic	Traditional	Average	Standard deviation	Genomic average	Traditional average	Difference1
Net merit ($)	278	286	−8	40	83	78	+5
Milk (pounds)	780	821	−41	116	89	86	+3
Fat (pounds)	41.6	43.1	−1.5	4.9	89	86	+3
Protein (pounds)	28.2	29.3	−1.1	3.3	89	86	+3
Productive life (months)	1.7	1.7	0.0	0.7	71	63	+8
Somatic cell score	2.97	2.97	0.00	0.04	81	75	+6
Daughter pregnancy rate (%)	−0.4	−0.5	+0.1	0.3	70	61	+9
Final score	1.21	1.23	−0.02	0.19	79	73	+6

   ¹Genomic minus traditional.

Last Modified: 01/12/2017