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'Comparison Reports' Menu


Comparison of December 2011 genomic and traditional evaluations
for bulls with an AI status of active or foreign

641 Holstein active bulls

Trait PTA Reliability (%)
Genomic
average
Traditional
average
Difference1 Standard deviation Genomic
average
Traditional
average
Difference1
Net merit ($) 297 292 4 63 86 79 +7
Milk (pounds) 708 720 -12 176 92 89 +3
Fat (pounds) 32.4 32.7 -0.4 6.4 92 89 +3
Protein (pounds) 23.1 23.1 +0.0 4.7 92 89 +3
Productive life (months) 1.6 1.6 +0.0 0.9 81 69 +11
Somatic cell score 2.86 2.86 +0.00 0.07 87 81 +6
Daughter pregnancy rate (%) -0.2 -0.2 +0.0 0.6 79 67 +11
Final score 1.58 1.54 +0.04 0.28 88 81 +7
Sire calving ease 7.5 7.6 +0.0 0.6 88 84 +5
Daughter calving ease 7.2 7.3 -0.1 0.7 78 68 +10

  1Genomic minus traditional.