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 8.71
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -8.23 -0.375 3.08
Prot (kg) -9.55 -0.441 4.21
Fertility Sub Index -12.18
Calving Interval (days) 6.39 -1.459 -9.32
Survival (%) -2.56 1.117 -2.86
Calving Sub Index 0.76
Gestation Length (days) -0.83 -0.919 0.76
Beef Sub Index 0.23
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.92 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index -2.18

* Based on an €80/tonne carbon price