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 13.14
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -13.50 -0.375 5.06
Prot (kg) -13.36 -0.441 5.90
Fertility Sub Index -0.90
Calving Interval (days) -0.04 -1.459 0.06
Survival (%) -0.86 1.117 -0.96
Calving Sub Index -0.34
Gestation Length (days) 0.37 -0.919 -0.34
Beef Sub Index -1.78
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 3.75 -0.432 -1.62
Maintenance Sub Index Maint. Sub Index -1.93
Live WT (kg) 6.30 -0.307 -1.93
Total Carbon Sub Index 8.18

* Based on an €80/tonne carbon price