Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 8.21
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -12.99 -0.375 4.87
Prot (kg) -6.88 -0.441 3.04
Fertility Sub Index -11.44
Calving Interval (days) 4.99 -1.459 -7.28
Survival (%) -3.72 1.117 -4.16
Calving Sub Index -1.86
Gestation Length (days) 2.02 -0.919 -1.86
Beef Sub Index -3.45
Carcass Weight (kg) 4.40 -0.528 -2.32
Age of Slaughter (days) 2.61 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index -0.92
Live WT (kg) 3.00 -0.307 -0.92
Total Carbon Sub Index -9.46

* Based on an €80/tonne carbon price