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 2.93
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -0.17 -0.375 0.06
Prot (kg) -3.29 -0.441 1.45
Fertility Sub Index 1.04
Calving Interval (days) -0.92 -1.459 1.34
Survival (%) -0.27 1.117 -0.30
Calving Sub Index 0.71
Gestation Length (days) -0.77 -0.919 0.71
Beef Sub Index 0.98
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.17 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 8.63

* Based on an €80/tonne carbon price