Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 0.01
Milk (kg) 3.00 -0.014 -0.04
Fat (kg) 1.96 -0.375 -0.73
Prot (kg) -1.79 -0.441 0.79
Fertility Sub Index -2.75
Calving Interval (days) 1.83 -1.459 -2.67
Survival (%) -0.07 1.117 -0.08
Calving Sub Index 0.35
Gestation Length (days) -0.38 -0.919 0.35
Beef Sub Index -0.33
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.85 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index -1.40

* Based on an €80/tonne carbon price